Honeywell automatic round damper power-close, spring open model ensure low leakage while controlling circulating air in heating, cooling and ventilation systems.

Honeywell TrueZONE® Damper, Series: ARD Series, 16 in Diameter, 24 V, 6 A, M1 Power, M6 Common, M4 Terminal Electrical Connection, 30 s Timing Range, 1-Blade, 20 ga, 22 ga Gauge, Steel, Galvanized, Spring Open, Power Closed Motor, Round Shape, 40 to 140 deg F

• Features galvanized steel with single blade damper, which closes off tightly against gasket for minimal leakage
• Designated as power closed/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
• 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
• 30 sec power closed/10 sec spring return
• 90 deg angular rotation