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

Fresh Air Dampers

9 products

Showing 1 - 9 of 9 products

Showing 1 - 9 of 9 products
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HAC-L Insulated Inline Fresh Air Damper — CSA Certified, 24 Vac, 2"–9", Factory-Insulated Body
HAC-L Insulated Inline Fresh Air Damper — CSA Certified, 24 Vac, 2"–9", Factory-Insulated Body
From $199.00 CAD
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MAC Motorized Fresh Air Damper — CSA Certified, Terminating End, 24 Vac, 4"–9"
MAC Motorized Fresh Air Damper — CSA Certified, Terminating End, 24 Vac, 4"–9"
From $223.00 CAD
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HAC Universal Inline Air Control Damper — CSA Certified, 24 Vac, 2"–9", Spring Return
HAC Universal Inline Air Control Damper — CSA Certified, 24 Vac, 2"–9", Spring Return
From $190.00 CAD
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HAC-E Motorized Elbow Damper — CSA Certified, 24 Vac, 5"–9", Control Built Into the Elbow
HAC-E Motorized Elbow Damper — CSA Certified, 24 Vac, 5"–9", Control Built Into the Elbow
From $193.00 CAD
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HAC-12 Inline Fresh Air Damper — CSA Certified, 120 Vac, Built-In Transformer, 4"–9"
HAC-12 Inline Fresh Air Damper — CSA Certified, 120 Vac, Built-In Transformer, 4"–9"
From $242.00 CAD
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HAC-50 / HAC-51 Inline Air Control Damper — CSA Certified, 24 Vac, 6"–14", Quarter-Turn ¼" Drive
HAC-50 / HAC-51 Inline Air Control Damper — CSA Certified, 24 Vac, 6"–14", Quarter-Turn ¼" Drive
From $256.00 CAD
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HAC Inline Damper with Belimo TFB24 — On/Off Spring Return, 24 Vac/dc, 6"–20"
HAC Inline Damper with Belimo TFB24 — On/Off Spring Return, 24 Vac/dc, 6"–20"
From $605.00 CAD
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HAC-12L Insulated Inline Fresh Air Damper — 120 Vac, Built-In Transformer, Factory-Insulated Body, 4"–9"
HAC-12L Insulated Inline Fresh Air Damper — 120 Vac, Built-In Transformer, Factory-Insulated Body, 4"–9"
From $249.00 CAD
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MOH Motorized All-Weather Hood Damper — CSA Certified, 24 Vac, 4"–9", Spring Return
MOH Motorized All-Weather Hood Damper — CSA Certified, 24 Vac, 4"–9", Spring Return
From $251.00 CAD
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