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ADF Automatic Damper

ADF Automatic Damper
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The ADF Automatic Damper is a single blade, two position damper powered by an actuator. The ADF is available in standard stack diameters ranging from 6 to 36 inches. The actuator interlocks with a boiler or gas fireplace to open the damper when the appliance is in use, and close it when the appliance is not in use. The ADF is powered by a 120 or 24VAC actuator. The actuator is equipped with the Enerdrive fail safe system to open the damper (and has two endswitches to prove damper position open/closed) in the event of an electrical or mechanical failure. The ADF stack section has a 1/2 inch flange and will attach to most standard flanged stack. The ADF is rated for temperatures up to 500oF (260oC). The ADF should be installed with sufficient clearance above the boiler outlet to allow for damper protrusion into the stack when fully open. The ADF has adjustable OPEN position, so it can operate as a Balancing Baffle as well. The damper is made of 20 GA, type 304 stainless steel. Standard Equipment One set of V-bands for proper mating to a UL308 positive pressure vent. Optional Equipment Weather proof enclosure for actuator. 2 year factory warranty. Specifications are subject to change without notice. Product Information

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