Honeywell Automatic Round Damper power-close, spring-open models ensure low leakage while controlling circulating air in heating, cooling and ventilation systems.
Features galvanized steel with single blade damper, which closes off tightly against gasket for minimal leakage|Designated as power closed or spring return open damper for use with Honeywell zoning systems|Can be field-converted when used as an independent zone or for fresh air intake|Rated to operate up to 1 in WC|Available in 5 to 10 in, 12, 14, 16 and 18 in Dia|Adjustable close position range stops|Male (crimped) and female (uncrimped) ends to connect to any rigid or flexible round duct|Motor or actuators mounting - side or top|Fail-safe, normally open operation|Simple, easy-to wire, two wire installation with a third wire option M4 for LED open only light|30 sec power closed/10 sec spring return
Honeywell Home TrueZONE Automatic Damper, Single Blade, Series: ARD, 12 in Dia, Round, 24 VAC, 6 A, 90 deg Rotation, 30 s Timing, Power Closed, Reversible, Spring Open Motor, 2-Wire, 40 to 140 deg F, Steel, Galvanized, Import