{"title":"Belimo Series - On\/Off \u0026 Modulating","description":"","products":[{"product_id":"hac50-51-inline-damper-quarter-turn-24vac","title":"HAC-50 \/ HAC-51 Inline Air Control Damper — CSA Certified, 24 Vac, 6\"–14\", Quarter-Turn ¼\" Drive","description":"\u003cp\u003e\u003cem\u003eProduct image is representative only. Actual product may differ in appearance depending on size, configuration, and options selected at order.\u003c\/em\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n  .hac50-desc * { box-sizing: border-box; margin: 0; padding: 0; }\n  .hac50-desc { font-family: 'Open Sans', sans-serif; color: #001F3F; line-height: 1.6; font-size: 15px; }\n\n  .hac50-desc__intro { font-size: 15px; line-height: 1.75; color: #374151; margin-bottom: 20px; }\n\n  .hac50-desc__bullets { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }\n  .hac50-desc__bullet { display: flex; align-items: flex-start; gap: 10px; }\n  .hac50-desc__bullet-check { color: #C8102E; font-weight: 700; font-size: 14px; flex-shrink: 0; line-height: 1.6; }\n  .hac50-desc__bullet-text { font-size: 14px; color: #374151; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac50-desc__bullet-text strong { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #001F3F; }\n\n  .hac50-desc__warning { background: #fff3f4; border-left: 4px solid #C8102E; border-radius: 0 4px 4px 0; padding: 12px 16px; margin-bottom: 20px; font-size: 13.5px; color: #001F3F; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac50-desc__warning strong { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #C8102E; }\n\n  .hac50-desc__note { background: #F3F6F8; border-left: 4px solid #001F3F; border-radius: 0 4px 4px 0; padding: 12px 16px; margin-bottom: 20px; font-size: 13.5px; color: #001F3F; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac50-desc__note strong { font-family: 'Montserrat', sans-serif; font-weight: 700; }\n  .hac50-desc__note a { color: #C8102E; text-decoration: none; font-weight: 600; }\n\n  .hac50-desc__compare { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 20px; }\n  .hac50-desc__compare-card { background: #F3F6F8; border: 1px solid #e2e8f0; border-radius: 5px; padding: 14px 16px; }\n  .hac50-desc__compare-card--red { border-top: 3px solid #C8102E; }\n  .hac50-desc__compare-card--navy { border-top: 3px solid #001F3F; }\n  .hac50-desc__compare-title { font-family: 'Montserrat', sans-serif; font-size: 14px; font-weight: 800; color: #001F3F; margin-bottom: 10px; }\n  .hac50-desc__compare-item { display: flex; align-items: flex-start; gap: 7px; margin-bottom: 5px; }\n  .hac50-desc__compare-item:last-child { margin-bottom: 0; }\n  .hac50-desc__compare-dot--red { color: #C8102E; font-weight: 700; font-size: 13px; flex-shrink: 0; line-height: 1.5; }\n  .hac50-desc__compare-dot--navy { color: #001F3F; font-weight: 700; font-size: 13px; flex-shrink: 0; line-height: 1.5; }\n  .hac50-desc__compare-text { font-size: 12.5px; color: #374151; font-family: 'Open Sans', sans-serif; line-height: 1.45; }\n\n  .hac50-desc__table-wrap { overflow-x: auto; margin-bottom: 20px; }\n  .hac50-desc__table { width: 100%; border-collapse: collapse; font-size: 12.5px; font-family: 'Open Sans', sans-serif; }\n  .hac50-desc__table th { background: #001F3F; color: #FFFFFF; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.05em; padding: 8px 12px; text-align: left; white-space: nowrap; }\n  .hac50-desc__table td { padding: 7px 12px; border-bottom: 1px solid #e2e8f0; color: #001F3F; vertical-align: top; }\n  .hac50-desc__table tr:last-child td { border-bottom: none; }\n  .hac50-desc__table tr:nth-child(even) td { background: #f8fafc; }\n  .hac50-desc__table td:first-child { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #C8102E; }\n  .hac50-desc__table-note { font-size: 11.5px; color: #718096; font-family: 'Open Sans', sans-serif; margin-top: 6px; font-style: italic; }\n\n  .hac50-desc__specs { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px; margin-bottom: 20px; }\n  .hac50-desc__spec { background: #F3F6F8; border: 1px solid #e2e8f0; border-radius: 5px; padding: 10px 12px; }\n  .hac50-desc__spec-label { font-family: 'Montserrat', sans-serif; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: #718096; margin-bottom: 3px; }\n  .hac50-desc__spec-value { font-family: 'Montserrat', sans-serif; font-size: 12.5px; font-weight: 700; color: #001F3F; line-height: 1.35; }\n  .hac50-desc__spec--highlight { background: #001F3F; border-color: #001F3F; }\n  .hac50-desc__spec--highlight .hac50-desc__spec-label { color: rgba(255,255,255,0.5); }\n  .hac50-desc__spec--highlight .hac50-desc__spec-value { color: #FFFFFF; }\n  .hac50-desc__spec--amber { background: #fffbeb; border-color: #d97706; }\n  .hac50-desc__spec--amber .hac50-desc__spec-label { color: #92400e; }\n  .hac50-desc__spec--amber .hac50-desc__spec-value { color: #92400e; }\n\n  .hac50-desc__warranty { display: flex; align-items: center; gap: 10px; background: #001F3F; border-radius: 5px; padding: 12px 16px; }\n  .hac50-desc__warranty-text { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 700; color: #FFFFFF; }\n  .hac50-desc__warranty-sub { font-size: 12px; color: rgba(255,255,255,0.6); font-family: 'Open Sans', sans-serif; margin-top: 2px; }\n\n  @media (max-width: 480px) {\n    .hac50-desc__compare { grid-template-columns: 1fr; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"hac50-desc\"\u003e\n\n  \u003cp class=\"hac50-desc__intro\"\u003eThe standard HAC option set scaled to 6\"–14\" round duct. Quarter-turn actuator on a ¼\" drive shaft — same spring return fail-safe, same PO\/PC configuration, same end switch and relay options as the standard HAC, rated for the torque demands of larger blade areas. CSA certified. HAC-50 and HAC-51 are the same product — the only difference is whether the relay is optional (HAC-50) or standard on every unit (HAC-51).\u003c\/p\u003e\n\n  \u003cdiv class=\"hac50-desc__warning\"\u003e\n    \u003cstrong\u003eConfirm PO vs. PC before ordering.\u003c\/strong\u003e The action is factory-set and cannot be changed after installation. PO is correct for fresh air intake and make-up air — duct seals when the system is off. PC is used only when fail-open on power loss is required. Note: 7\" is not available in this series — use the standard HAC (Hoyme drive, available to 9\") for 7\" applications.\u003c\/div\u003e\n\n  \u003cdiv class=\"hac50-desc__bullets\"\u003e\n\n    \u003cdiv class=\"hac50-desc__bullet\"\u003e\n      \u003cspan class=\"hac50-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac50-desc__bullet-text\"\u003e\u003cstrong\u003eQuarter-turn ¼\" drive shaft actuator\u003c\/strong\u003e — rated for the torque requirements of 6\"–14\" blade areas under duct static pressure conditions where the standard Hoyme drive is not\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac50-desc__bullet\"\u003e\n      \u003cspan class=\"hac50-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac50-desc__bullet-text\"\u003e\u003cstrong\u003eSame spring return fail-safe as the standard HAC\u003c\/strong\u003e — blade springs to fail-safe position on power loss regardless of duct pressure; PO or PC to suit the application\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac50-desc__bullet\"\u003e\n      \u003cspan class=\"hac50-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac50-desc__bullet-text\"\u003e\u003cstrong\u003eFull option set available on all sizes\u003c\/strong\u003e — end switch, relay, heat bypass (-H), insulated body (-L); all factory-installed\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac50-desc__bullet\"\u003e\n      \u003cspan class=\"hac50-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac50-desc__bullet-text\"\u003e\u003cstrong\u003e¼\" drive shaft — industry standard interface\u003c\/strong\u003e — actuator replacement not limited to a single proprietary part\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac50-desc__bullet\"\u003e\n      \u003cspan class=\"hac50-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac50-desc__bullet-text\"\u003e\u003cstrong\u003eCSA certified\u003c\/strong\u003e — complete assembly, Canadian and US installations\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac50-desc__bullet\"\u003e\n      \u003cspan class=\"hac50-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac50-desc__bullet-text\"\u003e\u003cstrong\u003eSizes above 14\"?\u003c\/strong\u003e — see HAC-40 (Belimo TFB24, 6\"–20\") or the HAC Belimo series for modulating and floating point control\u003c\/span\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hac50-desc__compare\"\u003e\n    \u003cdiv class=\"hac50-desc__compare-card hac50-desc__compare-card--red\"\u003e\n      \u003cdiv class=\"hac50-desc__compare-title\"\u003eHAC-50\u003c\/div\u003e\n      \u003cdiv class=\"hac50-desc__compare-item\"\u003e\n        \u003cspan class=\"hac50-desc__compare-dot--red\"\u003e✓\u003c\/span\u003e\u003cspan class=\"hac50-desc__compare-text\"\u003eRelay optional — add when needed on specific units\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"hac50-desc__compare-item\"\u003e\n        \u003cspan class=\"hac50-desc__compare-dot--red\"\u003e✓\u003c\/span\u003e\u003cspan class=\"hac50-desc__compare-text\"\u003eUse when relay is the exception — most units don't need it\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"hac50-desc__compare-item\"\u003e\n        \u003cspan class=\"hac50-desc__compare-dot--red\"\u003e✓\u003c\/span\u003e\u003cspan class=\"hac50-desc__compare-text\"\u003eCleaner ordering when relay-free is the default configuration\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac50-desc__compare-card hac50-desc__compare-card--navy\"\u003e\n      \u003cdiv class=\"hac50-desc__compare-title\"\u003eHAC-51\u003c\/div\u003e\n      \u003cdiv class=\"hac50-desc__compare-item\"\u003e\n        \u003cspan class=\"hac50-desc__compare-dot--navy\"\u003e→\u003c\/span\u003e\u003cspan class=\"hac50-desc__compare-text\"\u003eRelay standard — included on every unit automatically\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"hac50-desc__compare-item\"\u003e\n        \u003cspan class=\"hac50-desc__compare-dot--navy\"\u003e→\u003c\/span\u003e\u003cspan class=\"hac50-desc__compare-text\"\u003eUse when relay is required on all units — simplifies ordering on multi-zone systems\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"hac50-desc__compare-item\"\u003e\n        \u003cspan class=\"hac50-desc__compare-dot--navy\"\u003e→\u003c\/span\u003e\u003cspan class=\"hac50-desc__compare-text\"\u003eSpecify size, action, end switch — relay is just there\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hac50-desc__table-wrap\"\u003e\n    \u003ctable class=\"hac50-desc__table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eSize\u003c\/th\u003e\n          \u003cth\u003eHAC-50 (relay optional)\u003c\/th\u003e\n          \u003cth\u003eHAC-51 (relay standard)\u003c\/th\u003e\n          \u003cth\u003eActuator\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003e6\"\u003c\/td\u003e\n\u003ctd\u003eHAC-0650-xxx\u003c\/td\u003e\n\u003ctd\u003eHAC-0651-xxx\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn, ¼\" drive\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e8\"\u003c\/td\u003e\n\u003ctd\u003eHAC-0850-xxx\u003c\/td\u003e\n\u003ctd\u003eHAC-0851-xxx\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn, ¼\" drive\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e9\"\u003c\/td\u003e\n\u003ctd\u003eHAC-0950-xxx\u003c\/td\u003e\n\u003ctd\u003eHAC-0951-xxx\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn, ¼\" drive\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e10\"\u003c\/td\u003e\n\u003ctd\u003eHAC-1050-xxx\u003c\/td\u003e\n\u003ctd\u003eHAC-1051-xxx\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn, ¼\" drive\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e12\"\u003c\/td\u003e\n\u003ctd\u003eHAC-1250-xxx\u003c\/td\u003e\n\u003ctd\u003eHAC-1251-xxx\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn, ¼\" drive\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e14\"\u003c\/td\u003e\n\u003ctd\u003eHAC-1450-xxx\u003c\/td\u003e\n\u003ctd\u003eHAC-1451-xxx\u003c\/td\u003e\n\u003ctd\u003eQuarter-turn, ¼\" drive\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003cdiv class=\"hac50-desc__table-note\"\u003e7\" is not available in this series — use the standard HAC (Hoyme drive, available to 9\") for 7\" applications.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hac50-desc__specs\"\u003e\n    \u003cdiv class=\"hac50-desc__spec hac50-desc__spec--highlight\"\u003e\n      \u003cdiv class=\"hac50-desc__spec-label\"\u003eActuator\u003c\/div\u003e\n      \u003cdiv class=\"hac50-desc__spec-value\"\u003eQuarter-turn — ¼\" drive shaft\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac50-desc__spec\"\u003e\n      \u003cdiv class=\"hac50-desc__spec-label\"\u003eSizes\u003c\/div\u003e\n      \u003cdiv class=\"hac50-desc__spec-value\"\u003e6\", 8\", 9\", 10\", 12\", 14\"\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac50-desc__spec\"\u003e\n      \u003cdiv class=\"hac50-desc__spec-label\"\u003eVoltage\u003c\/div\u003e\n      \u003cdiv class=\"hac50-desc__spec-value\"\u003e24 Vac\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac50-desc__spec\"\u003e\n      \u003cdiv class=\"hac50-desc__spec-label\"\u003eAction\u003c\/div\u003e\n      \u003cdiv class=\"hac50-desc__spec-value\"\u003ePO or PC\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac50-desc__spec\"\u003e\n      \u003cdiv class=\"hac50-desc__spec-label\"\u003eCertification\u003c\/div\u003e\n      \u003cdiv class=\"hac50-desc__spec-value\"\u003eCSA — complete assembly\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac50-desc__spec hac50-desc__spec--amber\"\u003e\n      \u003cdiv class=\"hac50-desc__spec-label\"\u003e7\" Available?\u003c\/div\u003e\n      \u003cdiv class=\"hac50-desc__spec-value\"\u003eNo — use standard HAC\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- CORRECTION: ADP-0241-S5A appears in the SharePoint source document but is not\n       listed in the 2026 price list. Specific model reference removed, consistent with\n       corrections applied to HAC, HAC-L, MAC, HAC-E, HAC-12.\n       Do not reinstate until factory confirms the correct model number. --\u003e\n  \u003cdiv class=\"hac50-desc__note\"\u003e\n    \u003cstrong\u003eNeed ADP furnace fan sequencing?\u003c\/strong\u003e For ventilation code compliance — fresh air interlocked with furnace fan — use an ADP relay adaptor with the end switch variant (SPO or SPC). The ADP opens the damper first, confirms position via end switch, then energizes the furnace fan. See the \u003ca href=\"\/products\/adp-damper-interlock-relay-adaptor\"\u003eADP series\u003c\/a\u003e for the correct model for your application. For sizes above 14\" see \u003ca href=\"\/products\/hac-belimo-tfb24-inline-damper-24vac\"\u003eHAC-40 (Belimo TFB24)\u003c\/a\u003e.\u003c\/div\u003e\n\n  \u003cdiv class=\"hac50-desc__warranty\"\u003e\n    \u003csvg style=\"flex-shrink: 0;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\"\u003e\n      \u003cpath stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.8\" stroke=\"#C8102E\" d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\"\u003e\u003c\/path\u003e\n      \u003cpath stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.8\" stroke=\"#C8102E\" d=\"M9 12l2 2 4-4\"\u003e\u003c\/path\u003e\n    \u003c\/svg\u003e\n    \u003cdiv\u003e\n      \u003cdiv class=\"hac50-desc__warranty-text\"\u003e2-year electrical  ·  10-year mechanical warranty\u003c\/div\u003e\n      \u003cdiv class=\"hac50-desc__warranty-sub\"\u003eCSA certified  ·  Made in Canada  ·  ¼\" drive shaft — industry-standard actuator interface\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Hoyme Manufacturing","offers":[{"title":"6\" \/ Power Open (PO) \/ Standard (No Relay \/ No End Switch)","offer_id":43085330546731,"sku":"HAC-0650-OPO","price":256.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Open (PO) \/ End Switch (No Relay)","offer_id":43085330579499,"sku":"HAC-0650-SPO","price":285.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Open (PO) \/ Relay (No End Switch)","offer_id":43085330612267,"sku":"HAC-0651-OPO","price":308.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Open (PO) \/ Relay + End Switch","offer_id":43085330645035,"sku":"HAC-0651-SPO","price":336.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close (PC) \/ Standard (No Relay \/ No End Switch)","offer_id":43085330677803,"sku":"HAC-0650-OPC","price":256.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close (PC) \/ End Switch (No Relay)","offer_id":43085330710571,"sku":"HAC-0650-SPC","price":285.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close (PC) \/ Relay (No End Switch)","offer_id":43085330743339,"sku":"HAC-0651-OPC","price":308.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close (PC) \/ Relay + End Switch","offer_id":43085330776107,"sku":"HAC-0651-SPC","price":336.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open (PO) \/ Standard (No Relay \/ No End Switch)","offer_id":43085330808875,"sku":"HAC-0850-OPO","price":259.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open (PO) \/ End Switch (No Relay)","offer_id":43085330841643,"sku":"HAC-0850-SPO","price":287.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open (PO) \/ Relay (No End Switch)","offer_id":43085330874411,"sku":"HAC-0851-OPO","price":310.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open (PO) \/ Relay + End Switch","offer_id":43085330907179,"sku":"HAC-0851-SPO","price":338.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close (PC) \/ Standard (No Relay \/ No End Switch)","offer_id":43085330939947,"sku":"HAC-0850-OPC","price":259.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close (PC) \/ End Switch (No Relay)","offer_id":43085330972715,"sku":"HAC-0850-SPC","price":287.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close (PC) \/ Relay (No End Switch)","offer_id":43085331005483,"sku":"HAC-0851-OPC","price":310.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close (PC) \/ Relay + End Switch","offer_id":43085331038251,"sku":"HAC-0851-SPC","price":338.0,"currency_code":"CAD","in_stock":true},{"title":"9\" \/ Power Open (PO) \/ Standard (No Relay \/ No End Switch)","offer_id":43085331071019,"sku":"HAC-0950-OPO","price":353.0,"currency_code":"CAD","in_stock":true},{"title":"9\" \/ Power Open (PO) \/ End Switch (No Relay)","offer_id":43085331103787,"sku":"HAC-0950-SPO","price":378.0,"currency_code":"CAD","in_stock":true},{"title":"9\" \/ Power Open (PO) \/ Relay (No End Switch)","offer_id":43085331136555,"sku":"HAC-0951-OPO","price":402.0,"currency_code":"CAD","in_stock":true},{"title":"9\" \/ Power Open (PO) \/ Relay + End Switch","offer_id":43085331169323,"sku":"HAC-0951-SPO","price":431.0,"currency_code":"CAD","in_stock":true},{"title":"9\" \/ Power Close (PC) \/ Standard (No Relay \/ No End Switch)","offer_id":43085331202091,"sku":"HAC-0950-OPC","price":353.0,"currency_code":"CAD","in_stock":true},{"title":"9\" \/ Power Close (PC) \/ End Switch (No Relay)","offer_id":43085331234859,"sku":"HAC-0950-SPC","price":378.0,"currency_code":"CAD","in_stock":true},{"title":"9\" \/ Power Close (PC) \/ Relay (No End Switch)","offer_id":43085331267627,"sku":"HAC-0951-OPC","price":402.0,"currency_code":"CAD","in_stock":true},{"title":"9\" \/ Power Close (PC) \/ Relay + End Switch","offer_id":43085331300395,"sku":"HAC-0951-SPC","price":431.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open (PO) \/ Standard (No Relay \/ No End Switch)","offer_id":43085331333163,"sku":"HAC-1050-OPO","price":370.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open (PO) \/ End Switch (No Relay)","offer_id":43085331365931,"sku":"HAC-1050-SPO","price":397.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open (PO) \/ Relay (No End Switch)","offer_id":43085331398699,"sku":"HAC-1051-OPO","price":422.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open (PO) \/ Relay + End Switch","offer_id":43085331431467,"sku":"HAC-1051-SPO","price":448.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close (PC) \/ Standard (No Relay \/ No End Switch)","offer_id":43085331464235,"sku":"HAC-1050-OPC","price":370.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close (PC) \/ End Switch (No Relay)","offer_id":43085331497003,"sku":"HAC-1050-SPC","price":397.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close (PC) \/ Relay (No End Switch)","offer_id":43085331529771,"sku":"HAC-1051-OPC","price":422.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close (PC) \/ Relay + End Switch","offer_id":43085331562539,"sku":"HAC-1051-SPC","price":448.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open (PO) \/ Standard (No Relay \/ No End Switch)","offer_id":43085331595307,"sku":"HAC-1250-OPO","price":378.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open (PO) \/ End Switch (No Relay)","offer_id":43085331628075,"sku":"HAC-1250-SPO","price":408.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open (PO) \/ Relay (No End Switch)","offer_id":43085331660843,"sku":"HAC-1251-OPO","price":431.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open (PO) \/ Relay + End Switch","offer_id":43085331693611,"sku":"HAC-1251-SPO","price":458.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close (PC) \/ Standard (No Relay \/ No End Switch)","offer_id":43085331726379,"sku":"HAC-1250-OPC","price":378.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close (PC) \/ End Switch (No Relay)","offer_id":43085331759147,"sku":"HAC-1250-SPC","price":408.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close (PC) \/ Relay (No End Switch)","offer_id":43085331791915,"sku":"HAC-1251-OPC","price":431.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close (PC) \/ Relay + End Switch","offer_id":43085331824683,"sku":"HAC-1251-SPC","price":458.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open (PO) \/ Standard (No Relay \/ No End Switch)","offer_id":43085331857451,"sku":"HAC-1450-OPO","price":397.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open (PO) \/ End Switch (No Relay)","offer_id":43085331890219,"sku":"HAC-1450-SPO","price":425.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open (PO) \/ Relay (No End Switch)","offer_id":43085331922987,"sku":"HAC-1451-OPO","price":448.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open (PO) \/ Relay + End Switch","offer_id":43085331955755,"sku":"HAC-1451-SPO","price":476.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close (PC) \/ Standard (No Relay \/ No End Switch)","offer_id":43085331988523,"sku":"HAC-1450-OPC","price":397.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close (PC) \/ End Switch (No Relay)","offer_id":43085332021291,"sku":"HAC-1450-SPC","price":425.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close (PC) \/ Relay (No End Switch)","offer_id":43085332054059,"sku":"HAC-1451-OPC","price":448.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close (PC) \/ Relay + End Switch","offer_id":43085332086827,"sku":"HAC-1451-SPC","price":476.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/3459\/3067\/files\/image_84.png?v=1775770085"},{"product_id":"hac-belimo-tfb24-inline-damper-24vac","title":"HAC Inline Damper with Belimo TFB24 — On\/Off Spring Return, 24 Vac\/dc, 6\"–20\"","description":"\u003cp\u003e\u003cem\u003eProduct image is representative only. Actual product may differ in appearance depending on size, configuration, and options selected at order.\u003c\/em\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n  .hac40-desc * { box-sizing: border-box; margin: 0; padding: 0; }\n  .hac40-desc { font-family: 'Open Sans', sans-serif; color: #001F3F; line-height: 1.6; font-size: 15px; }\n\n  .hac40-desc__intro { font-size: 15px; line-height: 1.75; color: #374151; margin-bottom: 20px; }\n\n  .hac40-desc__bullets { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }\n  .hac40-desc__bullet { display: flex; align-items: flex-start; gap: 10px; }\n  .hac40-desc__bullet-check { color: #C8102E; font-weight: 700; font-size: 14px; flex-shrink: 0; line-height: 1.6; }\n  .hac40-desc__bullet-text { font-size: 14px; color: #374151; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac40-desc__bullet-text strong { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #001F3F; }\n\n  .hac40-desc__warning { background: #fff3f4; border-left: 4px solid #C8102E; border-radius: 0 4px 4px 0; padding: 12px 16px; margin-bottom: 20px; font-size: 13.5px; color: #001F3F; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac40-desc__warning strong { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #C8102E; }\n\n  .hac40-desc__note { background: #F3F6F8; border-left: 4px solid #001F3F; border-radius: 0 4px 4px 0; padding: 12px 16px; margin-bottom: 20px; font-size: 13.5px; color: #001F3F; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac40-desc__note strong { font-family: 'Montserrat', sans-serif; font-weight: 700; }\n  .hac40-desc__note a { color: #C8102E; text-decoration: none; font-weight: 600; }\n\n  .hac40-desc__table-wrap { overflow-x: auto; margin-bottom: 20px; }\n  .hac40-desc__table { width: 100%; border-collapse: collapse; font-size: 12.5px; font-family: 'Open Sans', sans-serif; }\n  .hac40-desc__table th { background: #001F3F; color: #FFFFFF; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.05em; padding: 8px 12px; text-align: left; white-space: nowrap; }\n  .hac40-desc__table td { padding: 8px 12px; border-bottom: 1px solid #e2e8f0; color: #001F3F; vertical-align: top; }\n  .hac40-desc__table tr:last-child td { border-bottom: none; }\n  .hac40-desc__table tr.hac40-desc__table-highlight td { background: #F3F6F8; }\n  .hac40-desc__table tr.hac40-desc__table-highlight td:first-child { font-family: 'Montserrat', sans-serif; font-weight: 800; color: #C8102E; }\n  .hac40-desc__table td:first-child { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #374151; }\n  .hac40-desc__table td:nth-child(2) { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #C8102E; font-size: 12px; }\n\n  .hac40-desc__specs { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px; margin-bottom: 20px; }\n  .hac40-desc__spec { background: #F3F6F8; border: 1px solid #e2e8f0; border-radius: 5px; padding: 10px 12px; }\n  .hac40-desc__spec-label { font-family: 'Montserrat', sans-serif; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: #718096; margin-bottom: 3px; }\n  .hac40-desc__spec-value { font-family: 'Montserrat', sans-serif; font-size: 12.5px; font-weight: 700; color: #001F3F; line-height: 1.35; }\n  .hac40-desc__spec--highlight { background: #001F3F; border-color: #001F3F; }\n  .hac40-desc__spec--highlight .hac40-desc__spec-label { color: rgba(255,255,255,0.5); }\n  .hac40-desc__spec--highlight .hac40-desc__spec-value { color: #FFFFFF; }\n  .hac40-desc__spec--amber { background: #fffbeb; border-color: #d97706; }\n  .hac40-desc__spec--amber .hac40-desc__spec-label { color: #92400e; }\n  .hac40-desc__spec--amber .hac40-desc__spec-value { color: #92400e; }\n  .hac40-desc__spec--red { background: #fff3f4; border-color: #C8102E; }\n  .hac40-desc__spec--red .hac40-desc__spec-label { color: #C8102E; }\n  .hac40-desc__spec--red .hac40-desc__spec-value { color: #C8102E; }\n\n  .hac40-desc__warranty { display: flex; align-items: center; gap: 10px; background: #001F3F; border-radius: 5px; padding: 12px 16px; }\n  .hac40-desc__warranty-text { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 700; color: #FFFFFF; }\n  .hac40-desc__warranty-sub { font-size: 12px; color: rgba(255,255,255,0.6); font-family: 'Open Sans', sans-serif; margin-top: 2px; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"hac40-desc\"\u003e\n\n  \u003cp class=\"hac40-desc__intro\"\u003eHoyme's CSA-certified inline damper body with Belimo TFB24 on\/off spring return actuator — factory-assembled, single SKU, ready to install. The product for projects where the mechanical engineer specifies Belimo, where damper sizes extend beyond 14\", or where 24 Vac\/dc supply flexibility is required. Sizes 6\"–20\" in even-inch increments.\u003c\/p\u003e\n\n  \u003cdiv class=\"hac40-desc__bullets\"\u003e\n\n    \u003cdiv class=\"hac40-desc__bullet\"\u003e\n      \u003cspan class=\"hac40-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac40-desc__bullet-text\"\u003e\u003cstrong\u003eBelimo TFB24 — most specified on\/off spring return actuator in commercial HVAC\u003c\/strong\u003e — factory-mounted to Hoyme damper body; no field mounting, no compatibility questions, one SKU\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac40-desc__bullet\"\u003e\n      \u003cspan class=\"hac40-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac40-desc__bullet-text\"\u003e\u003cstrong\u003e24 Vac or 24 Vdc — either polarity on DC\u003c\/strong\u003e — practical advantage on BAS systems where the control output is DC rather than AC; most on\/off actuators at this price point are AC only\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac40-desc__bullet\"\u003e\n      \u003cspan class=\"hac40-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac40-desc__bullet-text\"\u003e\u003cstrong\u003e6\"–20\" even-inch sizes\u003c\/strong\u003e — covers the size range where the standard Hoyme quarter-turn drive is not rated; same spring return fail-safe behavior\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac40-desc__bullet\"\u003e\n      \u003cspan class=\"hac40-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac40-desc__bullet-text\"\u003e\u003cstrong\u003eTFB24 field-replaceable\u003c\/strong\u003e — stocked through Belimo distributors; actuator replaces without disturbing the damper body or duct connections\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac40-desc__bullet\"\u003e\n      \u003cspan class=\"hac40-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac40-desc__bullet-text\"\u003e\u003cstrong\u003eEnd switch and heat bypass (-H) available on all sizes\u003c\/strong\u003e — factory-installed; no relay on TFB24 motor code\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac40-desc__bullet\"\u003e\n      \u003cspan class=\"hac40-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac40-desc__bullet-text\"\u003e\u003cstrong\u003eCSA certified to 12\"\u003c\/strong\u003e — for 14\"–20\", confirm AHJ acceptance before ordering on code-required applications\u003c\/span\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hac40-desc__warning\"\u003e\n    \u003cstrong\u003eConfirm PO vs. PC before ordering — and confirm the -H bypass is not on a fresh air application.\u003c\/strong\u003e Action is factory-set and cannot be changed after installation. The -H heat bypass is permanent and cannot be disabled — do not specify -H on fresh air intake, make-up air, or ventilation applications. The bypass will allow continuous outdoor air infiltration when the damper is commanded closed.\u003c\/div\u003e\n\n  \u003cdiv class=\"hac40-desc__table-wrap\"\u003e\n    \u003ctable class=\"hac40-desc__table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eIf you need…\u003c\/th\u003e\n          \u003cth\u003eProduct\u003c\/th\u003e\n          \u003cth\u003eActuator\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr class=\"hac40-desc__table-highlight\"\u003e\n          \u003ctd\u003eOn\/off spring return — 2-position gate, 24 Vac\/dc\u003c\/td\u003e\n          \u003ctd\u003eHAC-40\u003c\/td\u003e\n          \u003ctd\u003eBelimo TFB24 — this product\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eOn\/off spring return — 100–240 Vac line voltage\u003c\/td\u003e\n          \u003ctd\u003eHAC-44\u003c\/td\u003e\n          \u003ctd\u003eBelimo TFB120\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eModulating 2–10 VDC proportional control\u003c\/td\u003e\n          \u003ctd\u003eHAC-43\u003c\/td\u003e\n          \u003ctd\u003eBelimo TFB24-SR-T\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e3-wire floating point DDC open\/stop\/close\u003c\/td\u003e\n          \u003ctd\u003eHAC-34\u003c\/td\u003e\n          \u003ctd\u003eBelimo CMB24-3-T\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eUL 555S fire and smoke rated\u003c\/td\u003e\n          \u003ctd\u003eHAC-90\u003c\/td\u003e\n          \u003ctd\u003eBelimo FSLF24 US\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hac40-desc__specs\"\u003e\n    \u003cdiv class=\"hac40-desc__spec hac40-desc__spec--highlight\"\u003e\n      \u003cdiv class=\"hac40-desc__spec-label\"\u003eActuator\u003c\/div\u003e\n      \u003cdiv class=\"hac40-desc__spec-value\"\u003eBelimo TFB24 — factory-mounted\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac40-desc__spec\"\u003e\n      \u003cdiv class=\"hac40-desc__spec-label\"\u003eSizes\u003c\/div\u003e\n      \u003cdiv class=\"hac40-desc__spec-value\"\u003e6\"–20\" even inches\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac40-desc__spec\"\u003e\n      \u003cdiv class=\"hac40-desc__spec-label\"\u003eSupply Voltage\u003c\/div\u003e\n      \u003cdiv class=\"hac40-desc__spec-value\"\u003e24 Vac or 24 Vdc\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac40-desc__spec\"\u003e\n      \u003cdiv class=\"hac40-desc__spec-label\"\u003eAction\u003c\/div\u003e\n      \u003cdiv class=\"hac40-desc__spec-value\"\u003ePO or PC\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac40-desc__spec hac40-desc__spec--amber\"\u003e\n      \u003cdiv class=\"hac40-desc__spec-label\"\u003eCSA Status\u003c\/div\u003e\n      \u003cdiv class=\"hac40-desc__spec-value\"\u003eCertified to 12\" — confirm AHJ for 14\"–20\"\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac40-desc__spec hac40-desc__spec--red\"\u003e\n      \u003cdiv class=\"hac40-desc__spec-label\"\u003eRelay\u003c\/div\u003e\n      \u003cdiv class=\"hac40-desc__spec-value\"\u003eNot available on TFB24\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- CORRECTION: ADP-0241-S5A appears in the SharePoint source document but is not\n       listed in the 2026 price list. Specific model reference removed, consistent with\n       corrections applied across all affected product descriptions.\n       Do not reinstate until factory confirms the correct model number. --\u003e\n  \u003cdiv class=\"hac40-desc__note\"\u003e\n    \u003cstrong\u003eNeed ADP furnace fan sequencing?\u003c\/strong\u003e Use the end switch variant (SPO or SPC) with an \u003ca href=\"\/products\/adp-damper-interlock-relay-adaptor\"\u003eADP relay adaptor\u003c\/a\u003e for fresh air + furnace fan interlock. The TFB24 does not include a relay — if a relay output is needed in the control circuit, use a separate relay adaptor. For modulating control see \u003ca href=\"\/products\/hac-belimo-tfb24-sr-t-modulating-2-10vdc\"\u003eHAC-43 (TFB24-SR-T)\u003c\/a\u003e.\u003c\/div\u003e\n\n  \u003cdiv class=\"hac40-desc__warranty\"\u003e\n    \u003csvg style=\"flex-shrink: 0;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\"\u003e\n      \u003cpath stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.8\" stroke=\"#C8102E\" d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\"\u003e\u003c\/path\u003e\n      \u003cpath stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.8\" stroke=\"#C8102E\" d=\"M9 12l2 2 4-4\"\u003e\u003c\/path\u003e\n    \u003c\/svg\u003e\n    \u003cdiv\u003e\n      \u003cdiv class=\"hac40-desc__warranty-text\"\u003e2-year electrical  ·  10-year mechanical warranty\u003c\/div\u003e\n      \u003cdiv class=\"hac40-desc__warranty-sub\"\u003eHoyme damper body — Made in Canada  ·  Belimo TFB24 field-replaceable through Belimo distributors\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Hoyme Manufacturing","offers":[{"title":"6\" \/ Power Open (PO) \/ Standard","offer_id":43085973028907,"sku":"HAC-0640-OPO","price":605.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Open (PO) \/ Heat","offer_id":43093472706603,"sku":"HAC-0640-OPO-H","price":627.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close (PC) \/ Standard","offer_id":43085973094443,"sku":"HAC-0640-OPC","price":605.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close (PC) \/ Heat","offer_id":43093472739371,"sku":"HAC-0640-OPC-H","price":627.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Open + End Switch \/ Standard","offer_id":43093472772139,"sku":"HAC-0640-SPO","price":625.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Open + End Switch \/ Heat","offer_id":43093472804907,"sku":"HAC-0640-SPO-H","price":646.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close + End Switch \/ Standard","offer_id":43093472837675,"sku":"HAC-0640-SPC","price":625.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close + End Switch \/ Heat","offer_id":43093472870443,"sku":"HAC-0640-SPC-H","price":646.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open (PO) \/ Standard","offer_id":43085973159979,"sku":"HAC-0840-OPO","price":607.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open (PO) \/ Heat","offer_id":43093472903211,"sku":"HAC-0840-OPO-H","price":630.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close (PC) \/ Standard","offer_id":43085973225515,"sku":"HAC-0840-OPC","price":607.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close (PC) \/ Heat","offer_id":43093472935979,"sku":"HAC-0840-OPC-H","price":630.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open + End Switch \/ Standard","offer_id":43093472968747,"sku":"HAC-0840-SPO","price":626.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open + End Switch \/ Heat","offer_id":43093473001515,"sku":"HAC-0840-SPO-H","price":650.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close + End Switch \/ Standard","offer_id":43093473034283,"sku":"HAC-0840-SPC","price":626.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close + End Switch \/ Heat","offer_id":43093473067051,"sku":"HAC-0840-SPC-H","price":650.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open (PO) \/ Standard","offer_id":43085973291051,"sku":"HAC-1040-OPO","price":640.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open (PO) \/ Heat","offer_id":43093473099819,"sku":"HAC-1040-OPO-H","price":662.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close (PC) \/ Standard","offer_id":43085973356587,"sku":"HAC-1040-OPC","price":640.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close (PC) \/ Heat","offer_id":43093473132587,"sku":"HAC-1040-OPC-H","price":662.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open + End Switch \/ Standard","offer_id":43093473165355,"sku":"HAC-1040-SPO","price":660.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open + End Switch \/ Heat","offer_id":43093473198123,"sku":"HAC-1040-SPO-H","price":682.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close + End Switch \/ Standard","offer_id":43093473230891,"sku":"HAC-1040-SPC","price":660.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close + End Switch \/ Heat","offer_id":43093473263659,"sku":"HAC-1040-SPC-H","price":682.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open (PO) \/ Standard","offer_id":43085973422123,"sku":"HAC-1240-OPO","price":645.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open (PO) \/ Heat","offer_id":43093473296427,"sku":"HAC-1240-OPO-H","price":667.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close (PC) \/ Standard","offer_id":43085973487659,"sku":"HAC-1240-OPC","price":645.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close (PC) \/ Heat","offer_id":43093473329195,"sku":"HAC-1240-OPC-H","price":667.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open + End Switch \/ Standard","offer_id":43093473361963,"sku":"HAC-1240-SPO","price":664.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open + End Switch \/ Heat","offer_id":43093473394731,"sku":"HAC-1240-SPO-H","price":686.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close + End Switch \/ Standard","offer_id":43093473427499,"sku":"HAC-1240-SPC","price":664.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close + End Switch \/ Heat","offer_id":43093473460267,"sku":"HAC-1240-SPC-H","price":686.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open (PO) \/ Standard","offer_id":43085973553195,"sku":"HAC-1440-OPO","price":695.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open (PO) \/ Heat","offer_id":43093473493035,"sku":"HAC-1440-OPO-H","price":718.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close (PC) \/ Standard","offer_id":43085973618731,"sku":"HAC-1440-OPC","price":695.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close (PC) \/ Heat","offer_id":43093473525803,"sku":"HAC-1440-OPC-H","price":718.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open + End Switch \/ Standard","offer_id":43093473558571,"sku":"HAC-1440-SPO","price":714.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open + End Switch \/ Heat","offer_id":43093473591339,"sku":"HAC-1440-SPO-H","price":736.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close + End Switch \/ Standard","offer_id":43093473624107,"sku":"HAC-1440-SPC","price":714.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close + End Switch \/ Heat","offer_id":43093473656875,"sku":"HAC-1440-SPC-H","price":736.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Open (PO) \/ Standard","offer_id":43085973684267,"sku":"HAC-1640-OPO","price":696.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Open (PO) \/ Heat","offer_id":43093473689643,"sku":"HAC-1640-OPO-H","price":719.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Close (PC) \/ Standard","offer_id":43085973749803,"sku":"HAC-1640-OPC","price":696.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Close (PC) \/ Heat","offer_id":43093473722411,"sku":"HAC-1640-OPC-H","price":719.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Open + End Switch \/ Standard","offer_id":43093473755179,"sku":"HAC-1640-SPO","price":717.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Open + End Switch \/ Heat","offer_id":43093473787947,"sku":"HAC-1640-SPO-H","price":737.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Close + End Switch \/ Standard","offer_id":43093473820715,"sku":"HAC-1640-SPC","price":717.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Close + End Switch \/ Heat","offer_id":43093473853483,"sku":"HAC-1640-SPC-H","price":737.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Open (PO) \/ Standard","offer_id":43085973815339,"sku":"HAC-1840-OPO","price":737.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Open (PO) \/ Heat","offer_id":43093473886251,"sku":"HAC-1840-OPO-H","price":760.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Close (PC) \/ Standard","offer_id":43085973880875,"sku":"HAC-1840-OPC","price":737.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Close (PC) \/ Heat","offer_id":43093473919019,"sku":"HAC-1840-OPC-H","price":760.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Open + End Switch \/ Standard","offer_id":43093473951787,"sku":"HAC-1840-SPO","price":757.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Open + End Switch \/ Heat","offer_id":43093473984555,"sku":"HAC-1840-SPO-H","price":778.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Close + End Switch \/ Standard","offer_id":43093474017323,"sku":"HAC-1840-SPC","price":757.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Close + End Switch \/ Heat","offer_id":43093474050091,"sku":"HAC-1840-SPC-H","price":778.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Open (PO) \/ Standard","offer_id":43085973946411,"sku":"HAC-2040-OPO","price":771.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Open (PO) \/ Heat","offer_id":43093474082859,"sku":"HAC-2040-OPO-H","price":793.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Close (PC) \/ Standard","offer_id":43085974011947,"sku":"HAC-2040-OPC","price":771.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Close (PC) \/ Heat","offer_id":43093474115627,"sku":"HAC-2040-OPC-H","price":793.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Open + End Switch \/ Standard","offer_id":43093474148395,"sku":"HAC-2040-SPO","price":791.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Open + End Switch \/ Heat","offer_id":43093474181163,"sku":"HAC-2040-SPO-H","price":814.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Close + End Switch \/ Standard","offer_id":43093474213931,"sku":"HAC-2040-SPC","price":791.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Close + End Switch \/ Heat","offer_id":43093474246699,"sku":"HAC-2040-SPC-H","price":814.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/3459\/3067\/files\/image_81.png?v=1775769862"},{"product_id":"hac-belimo-tfb120-inline-damper-100-240vac","title":"HAC Inline Damper with Belimo TFB120 — On\/Off Spring Return, 100–240 Vac, 6\"–20\"","description":"\u003cstyle\u003e\n  .hac44-desc * { box-sizing: border-box; margin: 0; padding: 0; }\n  .hac44-desc { font-family: 'Open Sans', sans-serif; color: #001F3F; line-height: 1.6; font-size: 15px; }\n\n  .hac44-desc__intro { font-size: 15px; line-height: 1.75; color: #374151; margin-bottom: 20px; }\n\n  .hac44-desc__bullets { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }\n  .hac44-desc__bullet { display: flex; align-items: flex-start; gap: 10px; }\n  .hac44-desc__bullet-check { color: #C8102E; font-weight: 700; font-size: 14px; flex-shrink: 0; line-height: 1.6; }\n  .hac44-desc__bullet-text { font-size: 14px; color: #374151; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac44-desc__bullet-text strong { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #001F3F; }\n\n  .hac44-desc__warning { background: #fff3f4; border-left: 4px solid #C8102E; border-radius: 0 4px 4px 0; padding: 12px 16px; margin-bottom: 20px; font-size: 13.5px; color: #001F3F; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac44-desc__warning strong { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #C8102E; }\n\n  .hac44-desc__note { background: #F3F6F8; border-left: 4px solid #001F3F; border-radius: 0 4px 4px 0; padding: 12px 16px; margin-bottom: 20px; font-size: 13.5px; color: #001F3F; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac44-desc__note strong { font-family: 'Montserrat', sans-serif; font-weight: 700; }\n  .hac44-desc__note a { color: #C8102E; text-decoration: none; font-weight: 600; }\n\n  \/* TFB120 vs TFB24 comparison *\/\n  .hac44-desc__compare { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 20px; }\n  .hac44-desc__compare-card { background: #F3F6F8; border: 1px solid #e2e8f0; border-radius: 5px; padding: 12px 14px; }\n  .hac44-desc__compare-card--red { border-top: 3px solid #C8102E; }\n  .hac44-desc__compare-card--navy { border-top: 3px solid #001F3F; }\n  .hac44-desc__compare-title { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 800; color: #001F3F; margin-bottom: 10px; }\n  .hac44-desc__compare-item { display: flex; align-items: flex-start; gap: 7px; margin-bottom: 5px; }\n  .hac44-desc__compare-item:last-child { margin-bottom: 0; }\n  .hac44-desc__compare-dot--red { color: #C8102E; font-weight: 700; font-size: 13px; flex-shrink: 0; line-height: 1.5; }\n  .hac44-desc__compare-dot--navy { color: #001F3F; font-weight: 700; font-size: 13px; flex-shrink: 0; line-height: 1.5; }\n  .hac44-desc__compare-text { font-size: 12.5px; color: #374151; font-family: 'Open Sans', sans-serif; line-height: 1.45; }\n\n  \/* Specs *\/\n  .hac44-desc__specs { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px; margin-bottom: 20px; }\n  .hac44-desc__spec { background: #F3F6F8; border: 1px solid #e2e8f0; border-radius: 5px; padding: 10px 12px; }\n  .hac44-desc__spec-label { font-family: 'Montserrat', sans-serif; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: #718096; margin-bottom: 3px; }\n  .hac44-desc__spec-value { font-family: 'Montserrat', sans-serif; font-size: 12.5px; font-weight: 700; color: #001F3F; line-height: 1.35; }\n  .hac44-desc__spec--highlight { background: #001F3F; border-color: #001F3F; }\n  .hac44-desc__spec--highlight .hac44-desc__spec-label { color: rgba(255,255,255,0.5); }\n  .hac44-desc__spec--highlight .hac44-desc__spec-value { color: #FFFFFF; }\n  .hac44-desc__spec--amber { background: #fffbeb; border-color: #d97706; }\n  .hac44-desc__spec--amber .hac44-desc__spec-label { color: #92400e; }\n  .hac44-desc__spec--amber .hac44-desc__spec-value { color: #92400e; }\n  .hac44-desc__spec--red { background: #fff3f4; border-color: #C8102E; }\n  .hac44-desc__spec--red .hac44-desc__spec-label { color: #C8102E; }\n  .hac44-desc__spec--red .hac44-desc__spec-value { color: #C8102E; }\n\n  .hac44-desc__warranty { display: flex; align-items: center; gap: 10px; background: #001F3F; border-radius: 5px; padding: 12px 16px; }\n  .hac44-desc__warranty-text { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 700; color: #FFFFFF; }\n  .hac44-desc__warranty-sub { font-size: 12px; color: rgba(255,255,255,0.6); font-family: 'Open Sans', sans-serif; margin-top: 2px; }\n\n  @media (max-width: 480px) {\n    .hac44-desc__compare { grid-template-columns: 1fr; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"hac44-desc\"\u003e\n\u003cp class=\"hac44-desc__intro\"\u003e\u003cem\u003eProduct image is representative only. Actual product may differ in appearance depending on size, configuration, and options selected at order.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"hac44-desc__intro\"\u003eThe line-voltage companion to the HAC-40. Same Hoyme inline damper body, same on\/off spring return behavior, same PO\/PC configuration, same 6\"–20\" size range. One difference: the Belimo TFB120 accepts 100–240 Vac directly — no step-down transformer, no low-voltage circuit required. Where line voltage is what's available at the damper location, the TFB120 is the actuator and the HAC-44 is the product.\u003c\/p\u003e\n\u003cdiv class=\"hac44-desc__warning\"\u003e\n\u003cstrong\u003eIf 24 Vac is available at the damper location, use the HAC-40 (TFB24) instead.\u003c\/strong\u003e The HAC-40 has confirmed CSA certification to 12\", accepts 24 Vdc as well as 24 Vac, and the low-voltage wiring is typically already in place on BAS-controlled systems. The HAC-44 is the solution to a specific site condition — line voltage only — not a general upgrade over the HAC-40. Also confirm CSA certification status with Hoyme before ordering on code-required applications.\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__bullets\"\u003e\n\u003cdiv class=\"hac44-desc__bullet\"\u003e\n\u003cspan class=\"hac44-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac44-desc__bullet-text\"\u003e\u003cstrong\u003eBelimo TFB120 — 100–240 Vac direct\u003c\/strong\u003e — accepts North American 120 Vac, 208\/240 Vac, and international line voltage across that full range; no transformer, no low-voltage run\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__bullet\"\u003e\n\u003cspan class=\"hac44-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac44-desc__bullet-text\"\u003e\u003cstrong\u003eSame damper body and spring return as HAC-40\u003c\/strong\u003e — identical on\/off fail-safe behavior; PO springs closed on power loss, PC springs open; blade position is always defined on loss of power\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__bullet\"\u003e\n\u003cspan class=\"hac44-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac44-desc__bullet-text\"\u003e\u003cstrong\u003e6\"–20\" even-inch sizes\u003c\/strong\u003e — commercial and large residential duct range; same size availability as HAC-40\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__bullet\"\u003e\n\u003cspan class=\"hac44-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac44-desc__bullet-text\"\u003e\u003cstrong\u003eTFB120 field-replaceable\u003c\/strong\u003e — stocked through Belimo distributors; actuator replaces without disturbing the damper body or duct connections\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__bullet\"\u003e\n\u003cspan class=\"hac44-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac44-desc__bullet-text\"\u003e\u003cstrong\u003eEnd switch and heat bypass (-H) available on all sizes\u003c\/strong\u003e — factory-installed; no relay on TFB120 motor code\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- HAC-44 vs HAC-40 --\u003e\n\u003cdiv class=\"hac44-desc__compare\"\u003e\n\u003cdiv class=\"hac44-desc__compare-card hac44-desc__compare-card--red\"\u003e\n\u003cdiv class=\"hac44-desc__compare-title\"\u003eHAC-44 (TFB120) — this product\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__compare-item\"\u003e\n\u003cspan class=\"hac44-desc__compare-dot--red\"\u003e✓\u003c\/span\u003e\u003cspan class=\"hac44-desc__compare-text\"\u003eOnly line voltage (100–240 Vac) available at the damper location\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__compare-item\"\u003e\n\u003cspan class=\"hac44-desc__compare-dot--red\"\u003e✓\u003c\/span\u003e\u003cspan class=\"hac44-desc__compare-text\"\u003eRTU control panel or line-voltage contactor is the control source\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__compare-item\"\u003e\n\u003cspan class=\"hac44-desc__compare-dot--red\"\u003e✓\u003c\/span\u003e\u003cspan class=\"hac44-desc__compare-text\"\u003eRetrofit where adding low-voltage infrastructure is impractical\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__compare-item\"\u003e\n\u003cspan class=\"hac44-desc__compare-dot--red\"\u003e✓\u003c\/span\u003e\u003cspan class=\"hac44-desc__compare-text\"\u003eIndustrial or commercial make-up air on line-voltage control\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__compare-card hac44-desc__compare-card--navy\"\u003e\n\u003cdiv class=\"hac44-desc__compare-title\"\u003eHAC-40 (TFB24) — use instead when…\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__compare-item\"\u003e\n\u003cspan class=\"hac44-desc__compare-dot--navy\"\u003e→\u003c\/span\u003e\u003cspan class=\"hac44-desc__compare-text\"\u003e24 Vac or 24 Vdc is already available at the damper location\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__compare-item\"\u003e\n\u003cspan class=\"hac44-desc__compare-dot--navy\"\u003e→\u003c\/span\u003e\u003cspan class=\"hac44-desc__compare-text\"\u003eBAS or DDC control system with 24 Vac\/dc outputs\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__compare-item\"\u003e\n\u003cspan class=\"hac44-desc__compare-dot--navy\"\u003e→\u003c\/span\u003e\u003cspan class=\"hac44-desc__compare-text\"\u003eCSA certification confirmed to 12\" is required without pre-order confirmation\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__compare-item\"\u003e\n\u003cspan class=\"hac44-desc__compare-dot--navy\"\u003e→\u003c\/span\u003e\u003cspan class=\"hac44-desc__compare-text\"\u003e24 Vdc control output — TFB24 accepts either polarity DC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__specs\"\u003e\n\u003cdiv class=\"hac44-desc__spec hac44-desc__spec--highlight\"\u003e\n\u003cdiv class=\"hac44-desc__spec-label\"\u003eActuator\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__spec-value\"\u003eBelimo TFB120 — 100–240 Vac\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__spec\"\u003e\n\u003cdiv class=\"hac44-desc__spec-label\"\u003eSizes\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__spec-value\"\u003e6\"–20\" even inches\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__spec\"\u003e\n\u003cdiv class=\"hac44-desc__spec-label\"\u003eAction\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__spec-value\"\u003ePO or PC\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__spec\"\u003e\n\u003cdiv class=\"hac44-desc__spec-label\"\u003eEnd Switch\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__spec-value\"\u003eOptional (S prefix)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__spec hac44-desc__spec--amber\"\u003e\n\u003cdiv class=\"hac44-desc__spec-label\"\u003eCSA Status\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__spec-value\"\u003eConfirm with Hoyme before ordering\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__spec hac44-desc__spec--red\"\u003e\n\u003cdiv class=\"hac44-desc__spec-label\"\u003eRelay\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__spec-value\"\u003eNot available on TFB120\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__note\"\u003e\n\u003cstrong\u003eNeed modulating or floating point control at line voltage?\u003c\/strong\u003e The HAC-44 is on\/off only — 2-position gate. For 3-wire floating point DDC control at 100–230 Vac see \u003ca href=\"\/products\/hac-belimo-cmb120-3-floating-point-230vac\"\u003eHAC-35 (Belimo CMB120-3)\u003c\/a\u003e. For UL 555S fire and smoke at line voltage see \u003ca href=\"\/products\/hac-belimo-fslf120-fire-smoke-damper-120vac\"\u003eHAC-80 (Belimo FSLF120 US)\u003c\/a\u003e. For 24 Vac\/dc on\/off see \u003ca href=\"\/products\/hac-belimo-tfb24-inline-damper-24vac\"\u003eHAC-40 (TFB24)\u003c\/a\u003e.\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__warranty\"\u003e\n\u003csvg style=\"flex-shrink: 0;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\"\u003e\n      \u003cpath stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.8\" stroke=\"#C8102E\" d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\"\u003e\u003c\/path\u003e\n      \u003cpath stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.8\" stroke=\"#C8102E\" d=\"M9 12l2 2 4-4\"\u003e\u003c\/path\u003e\n    \u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"hac44-desc__warranty-text\"\u003e2-year electrical  ·  10-year mechanical warranty\u003c\/div\u003e\n\u003cdiv class=\"hac44-desc__warranty-sub\"\u003eHoyme damper body — Made in Canada  ·  Belimo TFB120 field-replaceable through Belimo distributors\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hoyme Manufacturing","offers":[{"title":"6\" \/ Power Open (PO) \/ Standard","offer_id":43086469398571,"sku":"HAC-0644-OPO","price":682.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Open (PO) \/ Heat (H)","offer_id":43086469431339,"sku":"HAC-0644-OPO-H","price":705.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close (PC) \/ Standard","offer_id":43086469464107,"sku":"HAC-0644-OPC","price":682.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close (PC) \/ Heat (H)","offer_id":43086469496875,"sku":"HAC-0644-OPC-H","price":705.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Open + End Switch \/ Standard","offer_id":43093573468203,"sku":"HAC-0644-SPO","price":715.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Open + End Switch \/ Heat (H)","offer_id":43093573500971,"sku":"HAC-0644-SPO-H","price":739.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close + End Switch \/ Standard","offer_id":43093573533739,"sku":"HAC-0644-SPC","price":715.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close + End Switch \/ Heat (H)","offer_id":43093573566507,"sku":"HAC-0644-SPC-H","price":739.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open (PO) \/ Standard","offer_id":43086469529643,"sku":"HAC-0844-OPO","price":684.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open (PO) \/ Heat (H)","offer_id":43086469562411,"sku":"HAC-0844-OPO-H","price":707.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close (PC) \/ Standard","offer_id":43086469595179,"sku":"HAC-0844-OPC","price":684.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close (PC) \/ Heat (H)","offer_id":43086469627947,"sku":"HAC-0844-OPC-H","price":707.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open + End Switch \/ Standard","offer_id":43093573599275,"sku":"HAC-0844-SPO","price":719.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open + End Switch \/ Heat (H)","offer_id":43093573632043,"sku":"HAC-0844-SPO-H","price":740.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close + End Switch \/ Standard","offer_id":43093573664811,"sku":"HAC-0844-SPC","price":719.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close + End Switch \/ Heat (H)","offer_id":43093573697579,"sku":"HAC-0844-SPC-H","price":740.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open (PO) \/ Standard","offer_id":43086469660715,"sku":"HAC-1044-OPO","price":718.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open (PO) \/ Heat (H)","offer_id":43086469693483,"sku":"HAC-1044-OPO-H","price":739.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close (PC) \/ Standard","offer_id":43086469726251,"sku":"HAC-1044-OPC","price":718.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close (PC) \/ Heat (H)","offer_id":43086469759019,"sku":"HAC-1044-OPC-H","price":739.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open + End Switch \/ Standard","offer_id":43093573730347,"sku":"HAC-1044-SPO","price":767.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open + End Switch \/ Heat (H)","offer_id":43093573763115,"sku":"HAC-1044-SPO-H","price":790.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close + End Switch \/ Standard","offer_id":43093573795883,"sku":"HAC-1044-SPC","price":767.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close + End Switch \/ Heat (H)","offer_id":43093573828651,"sku":"HAC-1044-SPC-H","price":790.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open (PO) \/ Standard","offer_id":43086469791787,"sku":"HAC-1244-OPO","price":722.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open (PO) \/ Heat (H)","offer_id":43086469824555,"sku":"HAC-1244-OPO-H","price":743.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close (PC) \/ Standard","offer_id":43086469857323,"sku":"HAC-1244-OPC","price":722.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close (PC) \/ Heat (H)","offer_id":43086469890091,"sku":"HAC-1244-OPC-H","price":743.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open + End Switch \/ Standard","offer_id":43093573861419,"sku":"HAC-1244-SPO","price":771.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open + End Switch \/ Heat (H)","offer_id":43093573894187,"sku":"HAC-1244-SPO-H","price":794.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close + End Switch \/ Standard","offer_id":43093573926955,"sku":"HAC-1244-SPC","price":771.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close + End Switch \/ Heat (H)","offer_id":43093573959723,"sku":"HAC-1244-SPC-H","price":794.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open (PO) \/ Standard","offer_id":43086469922859,"sku":"HAC-1444-OPO","price":772.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open (PO) \/ Heat (H)","offer_id":43086469955627,"sku":"HAC-1444-OPO-H","price":794.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close (PC) \/ Standard","offer_id":43086469988395,"sku":"HAC-1444-OPC","price":772.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close (PC) \/ Heat (H)","offer_id":43086470021163,"sku":"HAC-1444-OPC-H","price":794.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open + End Switch \/ Standard","offer_id":43093573992491,"sku":"HAC-1444-SPO","price":822.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open + End Switch \/ Heat (H)","offer_id":43093574025259,"sku":"HAC-1444-SPO-H","price":844.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close + End Switch \/ Standard","offer_id":43093574058027,"sku":"HAC-1444-SPC","price":822.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close + End Switch \/ Heat (H)","offer_id":43093574090795,"sku":"HAC-1444-SPC-H","price":844.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Open (PO) \/ Standard","offer_id":43086470053931,"sku":"HAC-1644-OPO","price":773.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Open (PO) \/ Heat (H)","offer_id":43086470086699,"sku":"HAC-1644-OPO-H","price":795.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Close (PC) \/ Standard","offer_id":43086470119467,"sku":"HAC-1644-OPC","price":773.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Close (PC) \/ Heat (H)","offer_id":43086470152235,"sku":"HAC-1644-OPC-H","price":795.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Open + End Switch \/ Standard","offer_id":43093574123563,"sku":"HAC-1644-SPO","price":824.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Open + End Switch \/ Heat (H)","offer_id":43093574156331,"sku":"HAC-1644-SPO-H","price":845.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Close + End Switch \/ Standard","offer_id":43093574189099,"sku":"HAC-1644-SPC","price":824.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Close + End Switch \/ Heat (H)","offer_id":43093574221867,"sku":"HAC-1644-SPC-H","price":845.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Open (PO) \/ Standard","offer_id":43086470185003,"sku":"HAC-1844-OPO","price":814.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Open (PO) \/ Heat (H)","offer_id":43086470217771,"sku":"HAC-1844-OPO-H","price":836.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Close (PC) \/ Standard","offer_id":43086470250539,"sku":"HAC-1844-OPC","price":814.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Close (PC) \/ Heat (H)","offer_id":43086470283307,"sku":"HAC-1844-OPC-H","price":836.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Open + End Switch \/ Standard","offer_id":43093574254635,"sku":"HAC-1844-SPO","price":866.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Open + End Switch \/ Heat (H)","offer_id":43093574287403,"sku":"HAC-1844-SPO-H","price":888.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Close + End Switch \/ Standard","offer_id":43093574320171,"sku":"HAC-1844-SPC","price":866.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Close + End Switch \/ Heat (H)","offer_id":43093574352939,"sku":"HAC-1844-SPC-H","price":888.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Open (PO) \/ Standard","offer_id":43086470316075,"sku":"HAC-2044-OPO","price":847.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Open (PO) \/ Heat (H)","offer_id":43086470348843,"sku":"HAC-2044-OPO-H","price":870.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Close (PC) \/ Standard","offer_id":43086470381611,"sku":"HAC-2044-OPC","price":847.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Close (PC) \/ Heat (H)","offer_id":43086470414379,"sku":"HAC-2044-OPC-H","price":870.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Open + End Switch \/ Standard","offer_id":43093574385707,"sku":"HAC-2044-SPO","price":899.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Open + End Switch \/ Heat (H)","offer_id":43093574418475,"sku":"HAC-2044-SPO-H","price":921.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Close + End Switch \/ Standard","offer_id":43093574451243,"sku":"HAC-2044-SPC","price":899.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Close + End Switch \/ Heat (H)","offer_id":43093574484011,"sku":"HAC-2044-SPC-H","price":921.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/3459\/3067\/files\/44.png?v=1775769769"},{"product_id":"hac-belimo-tfb24-sr-t-modulating-2-10vdc","title":"HAC Inline Damper with Belimo TFB24-SR-T — Modulating Spring Return, 2–10 VDC, 24 Vac\/dc, 6\"–20\"","description":"\u003c!-- ============================================================\n     HOLD — DO NOT PUBLISH\n     ============================================================\n     DISCREPANCY REQUIRING FACTORY CONFIRMATION:\n\n     The 2026 price list lists HAC-43 -H (heat bypass) variants\n     across all 8 sizes (6\"–20\"):\n       HAC-0643-OPO-H, HAC-0643-OPC-H, HAC-0643-SPO-H, HAC-0643-SPC-H\n       ... through HAC-2043 equivalents\n\n     The source document (Hoyme_P16_HAC43) and this description\n     both state heat bypass is NOT available on the HAC-43.\n\n     One of these sources is wrong. Do not publish until factory\n     confirms which is correct:\n       Option A: -H is available — remove \"not available\" claim from\n                 bullet 5 and specs grid.\n       Option B: -H is NOT available — price list entries are errors\n                 and should be removed.\n\n     All other claims verified accurate against source and price list.\n     ============================================================ --\u003e\n\u003cp\u003e\u003cem\u003eProduct image is representative only. Actual product may differ in appearance depending on size, configuration, and options selected at order.\u003c\/em\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n  .hac43-desc * { box-sizing: border-box; margin: 0; padding: 0; }\n  .hac43-desc { font-family: 'Open Sans', sans-serif; color: #001F3F; line-height: 1.6; font-size: 15px; }\n\n  .hac43-desc__intro { font-size: 15px; line-height: 1.75; color: #374151; margin-bottom: 20px; }\n\n  .hac43-desc__bullets { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }\n  .hac43-desc__bullet { display: flex; align-items: flex-start; gap: 10px; }\n  .hac43-desc__bullet-check { color: #C8102E; font-weight: 700; font-size: 14px; flex-shrink: 0; line-height: 1.6; }\n  .hac43-desc__bullet-text { font-size: 14px; color: #374151; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac43-desc__bullet-text strong { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #001F3F; }\n\n  .hac43-desc__warning { background: #fff3f4; border-left: 4px solid #C8102E; border-radius: 0 4px 4px 0; padding: 12px 16px; margin-bottom: 20px; font-size: 13.5px; color: #001F3F; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac43-desc__warning strong { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #C8102E; }\n\n  .hac43-desc__note { background: #F3F6F8; border-left: 4px solid #001F3F; border-radius: 0 4px 4px 0; padding: 12px 16px; margin-bottom: 20px; font-size: 13.5px; color: #001F3F; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac43-desc__note strong { font-family: 'Montserrat', sans-serif; font-weight: 700; }\n  .hac43-desc__note a { color: #C8102E; text-decoration: none; font-weight: 600; }\n\n  .hac43-desc__table-wrap { overflow-x: auto; margin-bottom: 20px; }\n  .hac43-desc__table { width: 100%; border-collapse: collapse; font-size: 12.5px; font-family: 'Open Sans', sans-serif; }\n  .hac43-desc__table th { background: #001F3F; color: #FFFFFF; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.05em; padding: 8px 12px; text-align: left; white-space: nowrap; }\n  .hac43-desc__table td { padding: 7px 12px; border-bottom: 1px solid #e2e8f0; color: #001F3F; vertical-align: top; }\n  .hac43-desc__table tr:last-child td { border-bottom: none; }\n  .hac43-desc__table tr:nth-child(even) td { background: #f8fafc; }\n  .hac43-desc__table td:first-child { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #C8102E; }\n\n  .hac43-desc__selector-wrap { overflow-x: auto; margin-bottom: 20px; }\n  .hac43-desc__selector { width: 100%; border-collapse: collapse; font-size: 12.5px; font-family: 'Open Sans', sans-serif; }\n  .hac43-desc__selector th { background: #001F3F; color: #FFFFFF; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.05em; padding: 8px 12px; text-align: left; white-space: nowrap; }\n  .hac43-desc__selector td { padding: 8px 12px; border-bottom: 1px solid #e2e8f0; color: #001F3F; vertical-align: top; }\n  .hac43-desc__selector tr:last-child td { border-bottom: none; }\n  .hac43-desc__selector tr.hac43-desc__selector-highlight td { background: #F3F6F8; }\n  .hac43-desc__selector tr.hac43-desc__selector-highlight td:nth-child(2) { font-family: 'Montserrat', sans-serif; font-weight: 800; color: #C8102E; }\n  .hac43-desc__selector td:first-child { font-size: 12.5px; }\n  .hac43-desc__selector td:nth-child(2) { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #374151; font-size: 12px; white-space: nowrap; }\n\n  .hac43-desc__specs { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px; margin-bottom: 20px; }\n  .hac43-desc__spec { background: #F3F6F8; border: 1px solid #e2e8f0; border-radius: 5px; padding: 10px 12px; }\n  .hac43-desc__spec-label { font-family: 'Montserrat', sans-serif; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: #718096; margin-bottom: 3px; }\n  .hac43-desc__spec-value { font-family: 'Montserrat', sans-serif; font-size: 12.5px; font-weight: 700; color: #001F3F; line-height: 1.35; }\n  .hac43-desc__spec--highlight { background: #001F3F; border-color: #001F3F; }\n  .hac43-desc__spec--highlight .hac43-desc__spec-label { color: rgba(255,255,255,0.5); }\n  .hac43-desc__spec--highlight .hac43-desc__spec-value { color: #FFFFFF; }\n  .hac43-desc__spec--amber { background: #fffbeb; border-color: #d97706; }\n  .hac43-desc__spec--amber .hac43-desc__spec-label { color: #92400e; }\n  .hac43-desc__spec--amber .hac43-desc__spec-value { color: #92400e; }\n  .hac43-desc__spec--red { background: #fff3f4; border-color: #C8102E; }\n  .hac43-desc__spec--red .hac43-desc__spec-label { color: #C8102E; }\n  .hac43-desc__spec--red .hac43-desc__spec-value { color: #C8102E; }\n\n  .hac43-desc__warranty { display: flex; align-items: center; gap: 10px; background: #001F3F; border-radius: 5px; padding: 12px 16px; }\n  .hac43-desc__warranty-text { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 700; color: #FFFFFF; }\n  .hac43-desc__warranty-sub { font-size: 12px; color: rgba(255,255,255,0.6); font-family: 'Open Sans', sans-serif; margin-top: 2px; }\n\u003c\/style\u003e\n\u003cdiv class=\"hac43-desc\"\u003e\n\u003cp class=\"hac43-desc__intro\"\u003eHoyme inline damper body with Belimo TFB24-SR-T spring return modulating actuator. Proportional blade positioning via 2–10 VDC analog signal — the blade tracks the signal continuously from minimum to fully open. Spring return on power loss moves the blade to the fail-safe position. For BAS and DDC analog output control. Sizes 6\"–20\" in even-inch increments.\u003c\/p\u003e\n\u003cdiv class=\"hac43-desc__warning\"\u003e\n\u003cstrong\u003eConfirm action code with the mechanical engineer or DDC controls designer before ordering.\u003c\/strong\u003e The action code determines both the fail-safe direction on power loss and the signal-to-blade relationship — whether increasing voltage opens or closes the blade. The wrong action code means the blade modulates in the reverse direction relative to the control signal. This cannot be corrected after installation.\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__bullets\"\u003e\n\u003cdiv class=\"hac43-desc__bullet\"\u003e\n\u003cspan class=\"hac43-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac43-desc__bullet-text\"\u003e\u003cstrong\u003e2–10 VDC proportional blade positioning\u003c\/strong\u003e — blade tracks the analog signal continuously; 2 VDC = minimum position, 10 VDC = fully open, every point in between proportional\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__bullet\"\u003e\n\u003cspan class=\"hac43-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac43-desc__bullet-text\"\u003e\u003cstrong\u003eSpring return fail-safe\u003c\/strong\u003e — on power loss the blade moves to the action-code position regardless of where it was in the modulating range; defined fail-safe on every power interruption\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__bullet\"\u003e\n\u003cspan class=\"hac43-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac43-desc__bullet-text\"\u003e\u003cstrong\u003eBelimo TFB24-SR-T — factory-mounted to Hoyme damper body\u003c\/strong\u003e — single SKU, ready to install; actuator field-replaceable through Belimo distributors without disturbing duct connections\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__bullet\"\u003e\n\u003cspan class=\"hac43-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac43-desc__bullet-text\"\u003e\u003cstrong\u003e24 Vac or 24 Vdc supply\u003c\/strong\u003e — either polarity on DC; suitable for BAS systems with 24 Vdc control power\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- FLAG: Bullet 5 claims \"no heat bypass on modulating actuator.\"\n         Price list shows HAC-43-H variants exist across all 8 sizes.\n         Source document says -H is NOT available. Conflict unresolved.\n         Text held as-is from source pending factory confirmation.\n         DO NOT PUBLISH until resolved. --\u003e\n\u003cdiv class=\"hac43-desc__bullet\"\u003e\n\u003cspan class=\"hac43-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac43-desc__bullet-text\"\u003e\u003cstrong\u003eEnd switch available\u003c\/strong\u003e — optional position confirmation signal back to BAS digital input; no relay, no heat bypass on modulating actuator\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__bullet\"\u003e\n\u003cspan class=\"hac43-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac43-desc__bullet-text\"\u003e\u003cstrong\u003eNeed to hold last position on power loss instead?\u003c\/strong\u003e — see \u003ca style=\"color: #c8102e; text-decoration: none; font-weight: 600;\" href=\"\/products\/hac-belimo-lmb24-sr-t-modulating-small-duct\"\u003eHAC-60 (LMB24-SR-T)\u003c\/a\u003e — same 2–10 VDC modulating control, no spring return\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__table-wrap\"\u003e\n\u003ctable class=\"hac43-desc__table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSignal (VDC)\u003c\/th\u003e\n\u003cth\u003eApproximate Blade Position\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.0 VDC\u003c\/td\u003e\n\u003ctd\u003eMinimum position — closed or minimum open per action code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4.0 VDC\u003c\/td\u003e\n\u003ctd\u003e25% open\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.0 VDC\u003c\/td\u003e\n\u003ctd\u003e50% open\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8.0 VDC\u003c\/td\u003e\n\u003ctd\u003e75% open\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10.0 VDC\u003c\/td\u003e\n\u003ctd\u003eFully open\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__selector-wrap\"\u003e\n\u003ctable class=\"hac43-desc__selector\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eIf your application needs…\u003c\/th\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003cth\u003eActuator\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr class=\"hac43-desc__selector-highlight\"\u003e\n\u003ctd\u003eProportional 0–100% via 2–10 VDC — spring return fail-safe\u003c\/td\u003e\n\u003ctd\u003eHAC-43\u003c\/td\u003e\n\u003ctd\u003eTFB24-SR-T — this product\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProportional 0–100% via 2–10 VDC — holds last position on power loss\u003c\/td\u003e\n\u003ctd\u003eHAC-60\u003c\/td\u003e\n\u003ctd\u003eLMB24-SR-T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn\/off spring return gate — 2-position, 24 Vac\/dc\u003c\/td\u003e\n\u003ctd\u003eHAC-40\u003c\/td\u003e\n\u003ctd\u003eTFB24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3-wire open\/stop\/close DDC floating point\u003c\/td\u003e\n\u003ctd\u003eHAC-34\u003c\/td\u003e\n\u003ctd\u003eCMB24-3-T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn\/off spring return — 100–240 Vac line voltage\u003c\/td\u003e\n\u003ctd\u003eHAC-44\u003c\/td\u003e\n\u003ctd\u003eTFB120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUL 555S fire and smoke rated, 24 Vac\u003c\/td\u003e\n\u003ctd\u003eHAC-90\u003c\/td\u003e\n\u003ctd\u003eFSLF24 US\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__specs\"\u003e\n\u003cdiv class=\"hac43-desc__spec hac43-desc__spec--highlight\"\u003e\n\u003cdiv class=\"hac43-desc__spec-label\"\u003eControl Input\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec-value\"\u003e2–10 VDC analog — proportional\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec\"\u003e\n\u003cdiv class=\"hac43-desc__spec-label\"\u003eActuator\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec-value\"\u003eBelimo TFB24-SR-T\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec\"\u003e\n\u003cdiv class=\"hac43-desc__spec-label\"\u003eSupply Voltage\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec-value\"\u003e24 Vac or 24 Vdc\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec\"\u003e\n\u003cdiv class=\"hac43-desc__spec-label\"\u003eFail-Safe\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec-value\"\u003eSpring return — OPO or OPC\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec\"\u003e\n\u003cdiv class=\"hac43-desc__spec-label\"\u003eSizes\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec-value\"\u003e6\"–20\" even inches\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec hac43-desc__spec--amber\"\u003e\n\u003cdiv class=\"hac43-desc__spec-label\"\u003eAction Code\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec-value\"\u003eConfirm with engineer before ordering\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FLAG: Source says \"Not available on modulating\" but price list shows -H exists.\n         Held as-is from source pending factory confirmation. --\u003e\n\u003cdiv class=\"hac43-desc__spec hac43-desc__spec--red\"\u003e\n\u003cdiv class=\"hac43-desc__spec-label\"\u003eHeat Bypass\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec-value\"\u003eNot available on modulating\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec hac43-desc__spec--amber\"\u003e\n\u003cdiv class=\"hac43-desc__spec-label\"\u003eCSA Status\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__spec-value\"\u003eConfirm with Hoyme before ordering\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__note\"\u003e\n\u003cstrong\u003eOn\/off sufficient for your application?\u003c\/strong\u003e If the damper just needs to be open when ventilation is called and closed when it isn't — no proportional positioning required — use the \u003ca href=\"\/products\/hac-belimo-tfb24-inline-damper-24vac\"\u003eHAC-40 (TFB24 on\/off)\u003c\/a\u003e. It's less expensive, the control circuit is simpler, and the commissioning is straightforward. Modulating control is required only when the application strategy demands proportional blade positioning: demand-controlled ventilation, mixed air temperature control, building pressure management, or VAV fresh air tracking.\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__warranty\"\u003e\n\u003csvg style=\"flex-shrink: 0;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\"\u003e\n      \u003cpath stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.8\" stroke=\"#C8102E\" d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\"\u003e\u003c\/path\u003e\n      \u003cpath stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.8\" stroke=\"#C8102E\" d=\"M9 12l2 2 4-4\"\u003e\u003c\/path\u003e\n    \u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"hac43-desc__warranty-text\"\u003e2-year electrical · 10-year mechanical warranty\u003c\/div\u003e\n\u003cdiv class=\"hac43-desc__warranty-sub\"\u003eHoyme damper body — Made in Canada · Belimo TFB24-SR-T field-replaceable through Belimo distributors\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hoyme Manufacturing","offers":[{"title":"6\" \/ Power Open (PO) \/ Standard (No End Switch)","offer_id":43086508982315,"sku":"HAC-0643-OPO","price":807.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Open (PO) \/ End Switch","offer_id":43086509015083,"sku":"HAC-0643-SPO","price":828.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close (PC) \/ Standard (No End Switch)","offer_id":43086509047851,"sku":"HAC-0643-OPC","price":807.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close (PC) \/ End Switch","offer_id":43086509080619,"sku":"HAC-0643-SPC","price":828.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open (PO) \/ Standard (No End Switch)","offer_id":43086509113387,"sku":"HAC-0843-OPO","price":809.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open (PO) \/ End Switch","offer_id":43086509146155,"sku":"HAC-0843-SPO","price":831.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close (PC) \/ Standard (No End Switch)","offer_id":43086509178923,"sku":"HAC-0843-OPC","price":809.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Close (PC) \/ End Switch","offer_id":43086509211691,"sku":"HAC-0843-SPC","price":831.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open (PO) \/ Standard (No End Switch)","offer_id":43086509244459,"sku":"HAC-1043-OPO","price":846.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Open (PO) \/ End Switch","offer_id":43086509277227,"sku":"HAC-1043-SPO","price":864.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close (PC) \/ Standard (No End Switch)","offer_id":43086509309995,"sku":"HAC-1043-OPC","price":846.0,"currency_code":"CAD","in_stock":true},{"title":"10\" \/ Power Close (PC) \/ End Switch","offer_id":43086509342763,"sku":"HAC-1043-SPC","price":864.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open (PO) \/ Standard (No End Switch)","offer_id":43086509375531,"sku":"HAC-1243-OPO","price":850.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Open (PO) \/ End Switch","offer_id":43086509408299,"sku":"HAC-1243-SPO","price":867.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close (PC) \/ Standard (No End Switch)","offer_id":43086509441067,"sku":"HAC-1243-OPC","price":850.0,"currency_code":"CAD","in_stock":true},{"title":"12\" \/ Power Close (PC) \/ End Switch","offer_id":43086509473835,"sku":"HAC-1243-SPC","price":867.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open (PO) \/ Standard (No End Switch)","offer_id":43086509506603,"sku":"HAC-1443-OPO","price":903.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Open (PO) \/ End Switch","offer_id":43086509539371,"sku":"HAC-1443-SPO","price":921.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close (PC) \/ Standard (No End Switch)","offer_id":43086509572139,"sku":"HAC-1443-OPC","price":903.0,"currency_code":"CAD","in_stock":true},{"title":"14\" \/ Power Close (PC) \/ End Switch","offer_id":43086509604907,"sku":"HAC-1443-SPC","price":921.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Open (PO) \/ Standard (No End Switch)","offer_id":43086509637675,"sku":"HAC-1643-OPO","price":905.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Open (PO) \/ End Switch","offer_id":43086509670443,"sku":"HAC-1643-SPO","price":922.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Close (PC) \/ Standard (No End Switch)","offer_id":43086509703211,"sku":"HAC-1643-OPC","price":905.0,"currency_code":"CAD","in_stock":true},{"title":"16\" \/ Power Close (PC) \/ End Switch","offer_id":43086509735979,"sku":"HAC-1643-SPC","price":922.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Open (PO) \/ Standard (No End Switch)","offer_id":43086509768747,"sku":"HAC-1843-OPO","price":945.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Open (PO) \/ End Switch","offer_id":43086509801515,"sku":"HAC-1843-SPO","price":966.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Close (PC) \/ Standard (No End Switch)","offer_id":43086509834283,"sku":"HAC-1843-OPC","price":945.0,"currency_code":"CAD","in_stock":true},{"title":"18\" \/ Power Close (PC) \/ End Switch","offer_id":43086509867051,"sku":"HAC-1843-SPC","price":966.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Open (PO) \/ Standard (No End Switch)","offer_id":43086509899819,"sku":"HAC-2043-OPO","price":985.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Open (PO) \/ End Switch","offer_id":43086509932587,"sku":"HAC-2043-SPO","price":1000.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Close (PC) \/ Standard (No End Switch)","offer_id":43086509965355,"sku":"HAC-2043-OPC","price":985.0,"currency_code":"CAD","in_stock":true},{"title":"20\" \/ Power Close (PC) \/ End Switch","offer_id":43086509998123,"sku":"HAC-2043-SPC","price":1000.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/3459\/3067\/files\/Hoyme-HAC-Belimo-lmb24-3-t2.jpg?v=1771431219"},{"product_id":"hac-belimo-lmb24-sr-t-modulating-small-duct","title":"HAC Inline Damper with Belimo LMB24-SR-T — Modulating, 2–10 VDC, 24 Vac\/dc, 6\"–20\", Holds Last Position","description":"\u003cp\u003e\u003cem\u003eProduct image is representative only. Actual product may differ in appearance depending on size, configuration, and options selected at order.\u003c\/em\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n  .hac60-desc * { box-sizing: border-box; margin: 0; padding: 0; }\n  .hac60-desc { font-family: 'Open Sans', sans-serif; color: #001F3F; line-height: 1.6; font-size: 15px; }\n\n  .hac60-desc__intro { font-size: 15px; line-height: 1.75; color: #374151; margin-bottom: 20px; }\n\n  .hac60-desc__bullets { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }\n  .hac60-desc__bullet { display: flex; align-items: flex-start; gap: 10px; }\n  .hac60-desc__bullet-check { color: #C8102E; font-weight: 700; font-size: 14px; flex-shrink: 0; line-height: 1.6; }\n  .hac60-desc__bullet-text { font-size: 14px; color: #374151; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac60-desc__bullet-text strong { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #001F3F; }\n\n  .hac60-desc__nocert { background: #fff3f4; border: 2px solid #C8102E; border-radius: 5px; padding: 14px 18px; margin-bottom: 20px; }\n  .hac60-desc__nocert-title { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 800; color: #C8102E; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }\n  .hac60-desc__nocert-body { font-size: 13.5px; color: #001F3F; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac60-desc__nocert-body strong { font-family: 'Montserrat', sans-serif; font-weight: 700; }\n  .hac60-desc__nocert-body a { color: #C8102E; text-decoration: none; font-weight: 600; }\n\n  .hac60-desc__warning { background: #fff3f4; border-left: 4px solid #C8102E; border-radius: 0 4px 4px 0; padding: 12px 16px; margin-bottom: 20px; font-size: 13.5px; color: #001F3F; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac60-desc__warning strong { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #C8102E; }\n\n  .hac60-desc__note { background: #F3F6F8; border-left: 4px solid #001F3F; border-radius: 0 4px 4px 0; padding: 12px 16px; margin-bottom: 20px; font-size: 13.5px; color: #001F3F; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac60-desc__note strong { font-family: 'Montserrat', sans-serif; font-weight: 700; }\n  .hac60-desc__note a { color: #C8102E; text-decoration: none; font-weight: 600; }\n\n  .hac60-desc__compare { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 20px; }\n  .hac60-desc__compare-card { background: #F3F6F8; border: 1px solid #e2e8f0; border-radius: 5px; padding: 12px 14px; }\n  .hac60-desc__compare-card--red { border-top: 3px solid #C8102E; }\n  .hac60-desc__compare-card--navy { border-top: 3px solid #001F3F; }\n  .hac60-desc__compare-title { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 800; color: #001F3F; margin-bottom: 10px; }\n  .hac60-desc__compare-item { display: flex; align-items: flex-start; gap: 7px; margin-bottom: 5px; }\n  .hac60-desc__compare-item:last-child { margin-bottom: 0; }\n  .hac60-desc__compare-dot--red { color: #C8102E; font-weight: 700; font-size: 13px; flex-shrink: 0; line-height: 1.5; }\n  .hac60-desc__compare-dot--navy { color: #001F3F; font-weight: 700; font-size: 13px; flex-shrink: 0; line-height: 1.5; }\n  .hac60-desc__compare-text { font-size: 12.5px; color: #374151; font-family: 'Open Sans', sans-serif; line-height: 1.45; }\n\n  .hac60-desc__specs { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px; margin-bottom: 20px; }\n  .hac60-desc__spec { background: #F3F6F8; border: 1px solid #e2e8f0; border-radius: 5px; padding: 10px 12px; }\n  .hac60-desc__spec-label { font-family: 'Montserrat', sans-serif; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: #718096; margin-bottom: 3px; }\n  .hac60-desc__spec-value { font-family: 'Montserrat', sans-serif; font-size: 12.5px; font-weight: 700; color: #001F3F; line-height: 1.35; }\n  .hac60-desc__spec--red { background: #fff3f4; border-color: #C8102E; }\n  .hac60-desc__spec--red .hac60-desc__spec-label { color: #C8102E; }\n  .hac60-desc__spec--red .hac60-desc__spec-value { color: #C8102E; }\n  .hac60-desc__spec--highlight { background: #001F3F; border-color: #001F3F; }\n  .hac60-desc__spec--highlight .hac60-desc__spec-label { color: rgba(255,255,255,0.5); }\n  .hac60-desc__spec--highlight .hac60-desc__spec-value { color: #FFFFFF; }\n  .hac60-desc__spec--amber { background: #fffbeb; border-color: #d97706; }\n  .hac60-desc__spec--amber .hac60-desc__spec-label { color: #92400e; }\n  .hac60-desc__spec--amber .hac60-desc__spec-value { color: #92400e; }\n\n  .hac60-desc__warranty { display: flex; align-items: center; gap: 10px; background: #001F3F; border-radius: 5px; padding: 12px 16px; }\n  .hac60-desc__warranty-text { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 700; color: #FFFFFF; }\n  .hac60-desc__warranty-sub { font-size: 12px; color: rgba(255,255,255,0.6); font-family: 'Open Sans', sans-serif; margin-top: 2px; }\n\n  @media (max-width: 480px) {\n    .hac60-desc__compare { grid-template-columns: 1fr; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"hac60-desc\"\u003e\n\n  \u003cp class=\"hac60-desc__intro\"\u003eHoyme inline damper body with Belimo LMB24-SR-T modulating actuator. Proportional blade positioning via 2–10 VDC analog signal — same control input as the HAC-43 (TFB24-SR-T). One difference: the LMB24-SR-T has no spring return. On power loss, the blade holds its last position rather than moving to a defined fail-safe state. Sizes 6\"–20\" in even-inch increments.\u003c\/p\u003e\n\n  \u003cdiv class=\"hac60-desc__nocert\"\u003e\n    \u003cdiv class=\"hac60-desc__nocert-title\"\u003e⚠ No Spring Return — Holds Last Position on Power Loss\u003c\/div\u003e\n    \u003cdiv class=\"hac60-desc__nocert-body\"\u003eOn power loss, the HAC-60 blade stays at its last position — it does not move to a defined open or closed fail-safe position. \u003cstrong\u003eIf your application requires the damper to move to a defined position on power loss\u003c\/strong\u003e — to close and seal the duct, or to open and ensure ventilation — use the \u003ca href=\"\/products\/hac-belimo-tfb24-sr-t-modulating-2-10vdc\"\u003eHAC-43 (TFB24-SR-T)\u003c\/a\u003e, which provides the same 2–10 VDC modulating control with spring return fail-safe.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hac60-desc__bullets\"\u003e\n\n    \u003cdiv class=\"hac60-desc__bullet\"\u003e\n      \u003cspan class=\"hac60-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac60-desc__bullet-text\"\u003e\u003cstrong\u003e2–10 VDC proportional blade positioning\u003c\/strong\u003e — same control input as HAC-43; blade tracks the analog signal continuously across the full range of travel\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac60-desc__bullet\"\u003e\n      \u003cspan class=\"hac60-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac60-desc__bullet-text\"\u003e\u003cstrong\u003eHolds last position on power loss\u003c\/strong\u003e — preferred behavior on most commercial BAS installations; avoids abrupt airflow changes on brief power interruptions while the DDC resumes control\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac60-desc__bullet\"\u003e\n      \u003cspan class=\"hac60-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac60-desc__bullet-text\"\u003e\u003cstrong\u003eBelimo LMB24-SR-T — factory-mounted to Hoyme damper body\u003c\/strong\u003e — single SKU, ready to install; actuator field-replaceable through Belimo distributors\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac60-desc__bullet\"\u003e\n      \u003cspan class=\"hac60-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac60-desc__bullet-text\"\u003e\u003cstrong\u003e24 Vac or 24 Vdc supply\u003c\/strong\u003e — compatible with BAS and DDC analog output cards; same supply flexibility as HAC-43\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"hac60-desc__bullet\"\u003e\n      \u003cspan class=\"hac60-desc__bullet-check\"\u003e✓\u003c\/span\u003e\n      \u003cspan class=\"hac60-desc__bullet-text\"\u003e\u003cstrong\u003eHeat bypass (-H) available on all sizes\u003c\/strong\u003e — factory-installed; for hot air supply duct zone control only; do not specify -H on fresh air or ventilation applications\u003c\/span\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hac60-desc__compare\"\u003e\n    \u003cdiv class=\"hac60-desc__compare-card hac60-desc__compare-card--red\"\u003e\n      \u003cdiv class=\"hac60-desc__compare-title\"\u003eHAC-60 (LMB24-SR-T) — this product\u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__compare-item\"\u003e\n        \u003cspan class=\"hac60-desc__compare-dot--red\"\u003e✓\u003c\/span\u003e\u003cspan class=\"hac60-desc__compare-text\"\u003e2–10 VDC modulating — holds last position on power loss\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__compare-item\"\u003e\n        \u003cspan class=\"hac60-desc__compare-dot--red\"\u003e✓\u003c\/span\u003e\u003cspan class=\"hac60-desc__compare-text\"\u003eBAS resumes control after power event — no abrupt airflow change on interruption\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__compare-item\"\u003e\n        \u003cspan class=\"hac60-desc__compare-dot--red\"\u003e✓\u003c\/span\u003e\u003cspan class=\"hac60-desc__compare-text\"\u003eHolds-last-position is acceptable — DDC manages recovery\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__compare-item\"\u003e\n        \u003cspan class=\"hac60-desc__compare-dot--red\"\u003e✓\u003c\/span\u003e\u003cspan class=\"hac60-desc__compare-text\"\u003eLighter actuator torque class — sufficient for smaller and mid-range sizes\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac60-desc__compare-card hac60-desc__compare-card--navy\"\u003e\n      \u003cdiv class=\"hac60-desc__compare-title\"\u003eHAC-43 (TFB24-SR-T) — use instead when…\u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__compare-item\"\u003e\n        \u003cspan class=\"hac60-desc__compare-dot--navy\"\u003e→\u003c\/span\u003e\u003cspan class=\"hac60-desc__compare-text\"\u003eSpring return to defined position required on power loss\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__compare-item\"\u003e\n        \u003cspan class=\"hac60-desc__compare-dot--navy\"\u003e→\u003c\/span\u003e\u003cspan class=\"hac60-desc__compare-text\"\u003eDuct must seal completely if power is lost\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__compare-item\"\u003e\n        \u003cspan class=\"hac60-desc__compare-dot--navy\"\u003e→\u003c\/span\u003e\u003cspan class=\"hac60-desc__compare-text\"\u003eVentilation must be guaranteed regardless of power state\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__compare-item\"\u003e\n        \u003cspan class=\"hac60-desc__compare-dot--navy\"\u003e→\u003c\/span\u003e\u003cspan class=\"hac60-desc__compare-text\"\u003eHigher torque class needed for larger blade areas\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hac60-desc__warning\"\u003e\n    \u003cstrong\u003eConfirm action code (OPP vs. SPP) with the mechanical engineer or DDC controls designer before ordering.\u003c\/strong\u003e The action code determines the signal-to-blade direction relationship — whether increasing VDC opens or closes the blade must match the BAS control sequence. Confirm with Belimo LMB24-SR-T documentation for the specific configuration required.\u003c\/div\u003e\n\n  \u003cdiv class=\"hac60-desc__specs\"\u003e\n    \u003cdiv class=\"hac60-desc__spec hac60-desc__spec--highlight\"\u003e\n      \u003cdiv class=\"hac60-desc__spec-label\"\u003eControl Input\u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__spec-value\"\u003e2–10 VDC analog — proportional\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac60-desc__spec hac60-desc__spec--red\"\u003e\n      \u003cdiv class=\"hac60-desc__spec-label\"\u003eFail-Safe\u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__spec-value\"\u003eHolds last position — no spring return\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac60-desc__spec\"\u003e\n      \u003cdiv class=\"hac60-desc__spec-label\"\u003eActuator\u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__spec-value\"\u003eBelimo LMB24-SR-T\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac60-desc__spec\"\u003e\n      \u003cdiv class=\"hac60-desc__spec-label\"\u003eSupply Voltage\u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__spec-value\"\u003e24 Vac or 24 Vdc\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac60-desc__spec\"\u003e\n      \u003cdiv class=\"hac60-desc__spec-label\"\u003eSizes\u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__spec-value\"\u003e6\"–20\" even inches\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003c!-- CORRECTION: End switch was not mentioned anywhere in the original description.\n         The source document (HAC-60 FAQ) explicitly states: \"The variant list for the\n         HAC-60 does not show a separate end switch option — the OPP and SPP designations\n         appear to encode configuration rather than end switch inclusion. Confirm end switch\n         availability with your wholesaler or Hoyme directly if position feedback is required\n         by the BAS.\" Price list confirms: zero end switch variants for HAC-60 (no S-prefix\n         separate from action code). A contractor needing BAS position feedback must know this\n         before ordering. Added as amber card consistent with how CSA status is handled. --\u003e\n    \u003cdiv class=\"hac60-desc__spec hac60-desc__spec--amber\"\u003e\n      \u003cdiv class=\"hac60-desc__spec-label\"\u003eEnd Switch\u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__spec-value\"\u003eNot in standard variants — confirm with Hoyme\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hac60-desc__spec hac60-desc__spec--amber\"\u003e\n      \u003cdiv class=\"hac60-desc__spec-label\"\u003eCSA Status\u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__spec-value\"\u003eConfirm with Hoyme before ordering\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hac60-desc__note\"\u003e\n    \u003cstrong\u003eNeed spring return fail-safe with modulating control?\u003c\/strong\u003e Use \u003ca href=\"\/products\/hac-belimo-tfb24-sr-t-modulating-2-10vdc\"\u003eHAC-43 (TFB24-SR-T)\u003c\/a\u003e — same 2–10 VDC proportional control, spring return to defined fail-safe position on power loss. If on\/off is sufficient for your application, use \u003ca href=\"\/products\/hac-belimo-tfb24-inline-damper-24vac\"\u003eHAC-40 (TFB24)\u003c\/a\u003e — less expensive, simpler wiring, spring return included. For 3-wire floating point DDC control see \u003ca href=\"\/products\/hac-belimo-cmb24-3-t-floating-point-24vac\"\u003eHAC-34 (CMB24-3-T)\u003c\/a\u003e.\u003c\/div\u003e\n\n  \u003cdiv class=\"hac60-desc__warranty\"\u003e\n    \u003csvg style=\"flex-shrink: 0;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\"\u003e\n      \u003cpath stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.8\" stroke=\"#C8102E\" d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\"\u003e\u003c\/path\u003e\n      \u003cpath stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.8\" stroke=\"#C8102E\" d=\"M9 12l2 2 4-4\"\u003e\u003c\/path\u003e\n    \u003c\/svg\u003e\n    \u003cdiv\u003e\n      \u003cdiv class=\"hac60-desc__warranty-text\"\u003e2-year electrical  ·  10-year mechanical warranty\u003c\/div\u003e\n      \u003cdiv class=\"hac60-desc__warranty-sub\"\u003eHoyme damper body — Made in Canada  ·  Belimo LMB24-SR-T field-replaceable through Belimo distributors\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Hoyme Manufacturing","offers":[{"title":"6\" \/ Power Open (PO) \/ Standard Air","offer_id":43091393282091,"sku":"HAC-0660-OPP","price":558.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Open (PO) \/ Heat Option (-H)","offer_id":43091395117099,"sku":"HAC-0660-OPP-H","price":582.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close (PC) \/ Standard Air","offer_id":43091394691115,"sku":"HAC-0660-SPP","price":578.0,"currency_code":"CAD","in_stock":true},{"title":"6\" \/ Power Close (PC) \/ Heat Option (-H)","offer_id":43091395149867,"sku":"HAC-0660-SPP-H","price":601.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open (PO) \/ Standard Air","offer_id":43091393314859,"sku":"HAC-0860-OPP","price":560.0,"currency_code":"CAD","in_stock":true},{"title":"8\" \/ Power Open (PO) \/ Heat Option 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