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Fix for a clanging vent hood damper.

Q Every time the wind kicks up, it opens the damper on my kitchen vent hood. When the wind dies down, the damper slams shut, making a metallic "clang." The noise drives me crazy. What's the fix?

A New spring-loaded backdraft dampers ($9 to $30, depending on the size) should solve the problem. Measure the diameter of the vent pipe and order the dampers from a duct supply company ( is one source). Start by replacing the backdraft damper directly above the vent hood. If that doesn't solve the problem, install a second damper near the wall or roof discharge cap. The second damper will greatly reduce the clanging problem.


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Title Annotation:HOME CARE& REPAIR
Publication:The Family Handyman
Article Type:Brief article
Geographic Code:1USA
Date:Jul 1, 2011
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