(800)865-5931 Mon-Fri 7am-7pm, Sat 9am-2pm CT
AMERICA'S HEATING & COOLING STORE™
EST. 2002
Home Air Products™
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My Location: Ashburn, VA [Change]
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A backdraft damper prevents outdoor air from coming into the house when it is not wanted.  It installs between your Honeywell DH90 and your furnace or air handler if you are taking advantage of the DH90's Fresh Air Ventilation feature.



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