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Three wire, power open, power close damper draws power only when opening or closing, unlike spring return dampers. Use on all zone control applications, works on almost any brand of 24vac zone control panel using two position dampers.
Heavy gauge steel with easy to replace 24VAC motor.
Unlike most 3 wire dampers, the Durozone DRD dampers can be used as a slave zone damper (connected directly to a thermostat) without the use of a relay. Requires 3 wires for operation. This is an outstanding choice compared to 2 wire spring return dampers that must pull power, when energized, to overcome the spring. “Normally open or close” does not apply to these dampers since no spring is involved-dampers use power only when moving.
PLEASE NOTE: These dampers are manufactured without polyurethane seals. Seals can be provided upon request for customer installation. Please put this in “notes” when you order.