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vent dampers

ezzy travis
ezzy travis Member Posts: 10
in THE MAIN WALL
How much more efficient is a boiler with a vent damper than a boiler with out one?

Comments

  • Big Will
    Big Will Member Posts: 395


    I cant give you exact numbers but just think of the hot air that will draft out of a six to eight inch stack when the burner is off but the pump is on. Its nothing to ignore.
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