Hoyme Manufacturing
Fresh Air Dampers
CSA-certified motorized inline and terminating-end dampers for fresh air intake, make-up air, and HRV/ERV duct control. Spring return, 24 Vac standard. Sizes 2"–20". All factory-configured — specify size, action, and options at order.
CSA CertifiedCore product line
Spring ReturnFail-safe operation
9 Products2"–20" round duct
Free Support1-800-661-7382

HAC-12 Inline Fresh Air Damper — CSA Certified, 120 Vac, Built-In Transformer, 4"–9"
Sale priceFrom $242.00 CAD

HAC-12H Heat Inline Damper — 120 Vac, Built-In Transformer, 10% Heat Bypass, 4"–9"
Sale priceFrom $274.00 CAD

HAC Inline Damper with Belimo TFB120 — On/Off Spring Return, 100–240 Vac, 6"–20"
Sale priceFrom $682.00 CAD

HAC Inline Damper with Belimo CMB120-3 — Floating Point, 3-Wire, 100–230 Vac, 6"–20", Holds Last Position
Sale priceFrom $551.00 CAD

HAC Inline Damper with Belimo FSLF120 US — UL 555S Listed Fire & Smoke Actuator, 120 Vac, 6"–20"
Sale priceFrom $1,146.00 CAD

HCR / HSI Rectangular and Square Motorized Dampers — Custom Made, 24 Vac, 6"–36" Width
Sale priceFrom $213.00 CAD

HAC-12L Insulated Inline Fresh Air Damper — 120 Vac, Built-In Transformer, Factory-Insulated Body, 4"–9"
Sale priceFrom $249.00 CAD
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