{"product_id":"hac-inline-motorized-air-damper-24vac","title":"HAC Universal Inline Air Control Damper — CSA Certified, 24 Vac, 2\"–9\", Spring Return","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  .hac-desc * { box-sizing: border-box; margin: 0; padding: 0; }\n  .hac-desc { font-family: 'Open Sans', sans-serif; color: #001F3F; line-height: 1.6; font-size: 15px; }\n\n  .hac-desc__intro { font-size: 15px; line-height: 1.75; color: #374151; margin-bottom: 20px; }\n\n  .hac-desc__bullets { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }\n  .hac-desc__bullet { display: flex; align-items: flex-start; gap: 10px; }\n  .hac-desc__bullet-check { color: #C8102E; font-weight: 700; font-size: 14px; flex-shrink: 0; line-height: 1.6; }\n  .hac-desc__bullet-text { font-size: 14px; color: #374151; font-family: 'Open Sans', sans-serif; line-height: 1.6; }\n  .hac-desc__bullet-text strong { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #001F3F; }\n\n  .hac-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  .hac-desc__warning strong { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #C8102E; }\n\n  .hac-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  .hac-desc__note strong { font-family: 'Montserrat', sans-serif; font-weight: 700; }\n\n  .hac-desc__specs { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px; margin-bottom: 20px; }\n  .hac-desc__spec { background: #F3F6F8; border: 1px solid #e2e8f0; border-radius: 5px; padding: 10px 12px; }\n  .hac-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  .hac-desc__spec-value { font-family: 'Montserrat', sans-serif; font-size: 12.5px; font-weight: 700; color: #001F3F; line-height: 1.35; }\n\n  .hac-desc__warranty { display: flex; align-items: center; gap: 10px; background: #001F3F; border-radius: 5px; padding: 12px 16px; }\n  .hac-desc__warranty-text { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 700; color: #FFFFFF; }\n  .hac-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=\"hac-desc\"\u003e\n\u003cp class=\"hac-desc__intro\"\u003eThe most specified motorized inline damper in the Hoyme lineup. CSA-certified, 24 Vac, spring return, sizes 2\"–9\". Handles fresh air intake, make-up air, HRV\/ERV duct control, zone control, and ventilation code compliance installs across Canada and the US.\u003c\/p\u003e\n\u003cdiv class=\"hac-desc__bullets\"\u003e\n\u003cdiv class=\"hac-desc__bullet\"\u003e\n\u003cspan class=\"hac-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac-desc__bullet-text\"\u003e\u003cstrong\u003eStall-protected motor\u003c\/strong\u003e — holds against ice and elevated static pressure without tripping or leaving the blade in an unknown position\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__bullet\"\u003e\n\u003cspan class=\"hac-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac-desc__bullet-text\"\u003e\u003cstrong\u003eCSA certified — complete assembly\u003c\/strong\u003e — the damper body, drive, and control hardware together, not just the actuator\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__bullet\"\u003e\n\u003cspan class=\"hac-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003c!-- CORRECTION: Original said \"cannot be changed after installation.\" The Change PO\/PC instruction\n           document shows field conversion is possible via spring plate reversal, but it requires full\n           drive disassembly. Language updated to reflect the actual situation accurately. --\u003e \u003cspan class=\"hac-desc__bullet-text\"\u003e\u003cstrong\u003ePO or PC action\u003c\/strong\u003e — confirm before ordering; changing the action after installation requires full drive disassembly and is not practical once the unit is in a duct run\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__bullet\"\u003e\n\u003cspan class=\"hac-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac-desc__bullet-text\"\u003e\u003cstrong\u003eEnd switch\u003c\/strong\u003e — confirms blade position; required for ADP relay adaptor interlock sequences\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__bullet\"\u003e\n\u003cspan class=\"hac-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac-desc__bullet-text\"\u003e\u003cstrong\u003eRelay\u003c\/strong\u003e — switched output when damper opens; use to trigger furnace fan or secondary device (not available on 2\" and 3\")\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__bullet\"\u003e\n\u003cspan class=\"hac-desc__bullet-check\"\u003e✓\u003c\/span\u003e \u003cspan class=\"hac-desc__bullet-text\"\u003e\u003cstrong\u003eReplacement parts stocked\u003c\/strong\u003e — motor kits, microswitch kits, spring return kits at your wholesaler; a motor failure does not mean a full damper replacement\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CORRECTION: Original said \"factory-set and cannot be changed after installation.\"\n       Updated to accurately reflect that field conversion exists but is impractical in a\n       duct run — consistent with the Change PO\/PC instruction document in the Technical Library. --\u003e\n\u003cdiv class=\"hac-desc__warning\"\u003e\n\u003cstrong\u003eConfirm PO vs. PC before ordering.\u003c\/strong\u003e The action is set at the factory. A field conversion procedure exists — it requires removing the motor, reversing the spring plate, and remounting the drive — but this is not practical once the unit is installed in a duct run. The only reliable correction after installation is replacement. PO is correct for the vast majority of fresh air intake and make-up air applications — the duct seals when the system is off. PC is used only when fail-open on power loss is required by the system design.\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__specs\"\u003e\n\u003cdiv class=\"hac-desc__spec\"\u003e\n\u003cdiv class=\"hac-desc__spec-label\"\u003eSizes\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__spec-value\"\u003e2\"–9\"\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__spec\"\u003e\n\u003cdiv class=\"hac-desc__spec-label\"\u003eVoltage\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__spec-value\"\u003e24 Vac\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__spec\"\u003e\n\u003cdiv class=\"hac-desc__spec-label\"\u003eAction\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__spec-value\"\u003ePO or PC\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__spec\"\u003e\n\u003cdiv class=\"hac-desc__spec-label\"\u003eCertification\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__spec-value\"\u003eCSA — complete assembly\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__spec\"\u003e\n\u003cdiv class=\"hac-desc__spec-label\"\u003eDrive\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__spec-value\"\u003ePatented Hoyme spring motor\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__spec\"\u003e\n\u003cdiv class=\"hac-desc__spec-label\"\u003eRelay available\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__spec-value\"\u003e4\"–9\" only\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CORRECTION: Original cited ADP-0241-S5A. This model appears in the SharePoint source\n       document but is NOT listed in the 2026 price list — the closest listed model is\n       ADP-0241-05A. Until the correct model number is confirmed with the factory, the\n       specific model reference has been removed and replaced with a reference to the ADP\n       series listing, which covers all current models. Do not reinstate a specific model\n       number here until this is resolved. --\u003e\n\u003cdiv class=\"hac-desc__note\"\u003e\n\u003cstrong\u003eNeed an ADP relay adaptor?\u003c\/strong\u003e For ventilation code compliance — fresh air damper interlocked with furnace fan — the ADP relay adaptor sequences the HAC open first, proves position via end switch, then energizes the fan. Order the SPO or SPC variant when using an ADP adaptor. See the \u003ca href=\"\/products\/adp-damper-interlock-relay-adaptor\"\u003eADP series\u003c\/a\u003e for the correct model for your application.\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__warranty\"\u003e\n\u003csvg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"flex-shrink: 0;\"\u003e\n      \u003cpath d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\" stroke=\"#C8102E\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003c\/path\u003e\n      \u003cpath d=\"M9 12l2 2 4-4\" stroke=\"#C8102E\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003c\/path\u003e\n    \u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"hac-desc__warranty-text\"\u003e2-year electrical · 10-year mechanical warranty\u003c\/div\u003e\n\u003cdiv class=\"hac-desc__warranty-sub\"\u003eMade in Canada · 40+ years field-proven in Canadian climates\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hoyme Manufacturing","offers":[{"title":"2\" \/ Power Open (PO) \/ Standard (No Relay \/ No End Switch)","offer_id":43079378468907,"sku":"HAC-0210-OPO","price":196.0,"currency_code":"CAD","in_stock":true},{"title":"2\" \/ Power Open (PO) \/ End Switch (No Relay)","offer_id":43079378501675,"sku":"HAC-0210-SPO","price":222.0,"currency_code":"CAD","in_stock":true},{"title":"2\" \/ Power Close (PC) \/ Standard (No Relay \/ No End Switch)","offer_id":43079378599979,"sku":"HAC-0210-OPC","price":196.0,"currency_code":"CAD","in_stock":true},{"title":"2\" \/ Power Close (PC) \/ End Switch (No Relay)","offer_id":43079378632747,"sku":"HAC-0210-SPC","price":222.0,"currency_code":"CAD","in_stock":true},{"title":"3\" \/ Power Open (PO) \/ Standard (No Relay \/ No End Switch)","offer_id":43079378731051,"sku":"HAC-0310-OPO","price":196.0,"currency_code":"CAD","in_stock":true},{"title":"3\" \/ Power Open (PO) 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