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

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34 products

Showing 25 - 34 of 34 products

Showing 25 - 34 of 34 products
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HAC-H Heat Inline Damper — CSA Certified, 24 Vac, 2"–9", 10% Heat Bypass
HAC-H Heat Inline Damper — CSA Certified, 24 Vac, 2"–9", 10% Heat Bypass
From $222.00 CAD
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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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HAC-MBD Manual Balance Damper — Set-and-Lock Airflow Balancing, 4"–20"
HAC-MBD Manual Balance Damper — Set-and-Lock Airflow Balancing, 4"–20"
From $206.00 CAD
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HAE Furnace Fan Counter-Flow Air Exchanger — 84% Winter Effectiveness, No Electricity, No Filters, Lifetime Core Warranty
HAE Furnace Fan Counter-Flow Air Exchanger — 84% Winter Effectiveness, No Electricity, No Filters, Lifetime Core Warranty
From $185.00 CAD
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HCR / HSI Rectangular and Square Motorized Dampers — Custom Made, 24 Vac, 6"–36" Width
HCR / HSI Rectangular and Square Motorized Dampers — Custom Made, 24 Vac, 6"–36" Width
From $213.00 CAD
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HOM Motorized Combustion Air Damper — CSA Certified, 24 Vac, 4"–9", Spring Return
HOM Motorized Combustion Air Damper — CSA Certified, 24 Vac, 4"–9", Spring Return
From $289.00 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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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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OOH All-Weather Inlet Hood — Passive, No Motor, Fixed or Removable Screen, 4"–12"
OOH All-Weather Inlet Hood — Passive, No Motor, Fixed or Removable Screen, 4"–12"
From $79.00 CAD
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PFS Positive Flow Switch — Inline Duct Airflow Confirmation, 24 Vac or 120 Vac, 4"–9"
PFS Positive Flow Switch — Inline Duct Airflow Confirmation, 24 Vac or 120 Vac, 4"–9"
From $88.00 CAD
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