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

Rectangular & Square Dampers

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Custom-manufactured motorized dampers for square and rectangular duct systems — built to your exact dimensions. HCR connects inline to open duct ends for new construction. HSI slips into existing ductwork through a partial cut on one side for retrofit applications. 24 Vac standard, 120 Vac available. Hoyme spring drive or Belimo actuator. Non-returnable custom products — verify all specifications before ordering.

Showing 1 - 1 of 1 product

HCR / HSI Rectangular and Square Motorized Dampers — Custom Made, 24 Vac, 6"–36" Width

From $213.00 CAD

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