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Thread: Should flue be completely sealed up through the roof?

  1. #1
    DIY Member
    Join Date
    Sep 2009
    Location
    Rock Hill, SC
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    43

    Default Should flue be completely sealed up through the roof?

    I had my furnace replaced a few months ago and they moved it about 4 feet from its old location. I just noticed recently that the flue has an opening into the attic. It comes straight down to a "wye" with the angle heading to the furnace flue - but the straight down portion of the wye is just open to the attic space.

    Should this be sealed off, or is it some kind of passive draft inducer for the combustion gases. Seems like there should be no opening from the furnace to the outside air.

  2. #2
    DIY Junior Member gluecan's Avatar
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    Aug 2009
    Location
    Minnesota
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    9

    Default

    have them come back and fix it then back charge them for your time for such a shitty job the frist time

  3. #3
    Previous member
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    Jul 2009
    Location
    North of the Mason dixon Line
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    1,150

    Default

    It should not be there. Any draft regulator should be installed in the flue pipe as close to the appliance as possible.

  4. #4
    I&C Engineer (mostly WWTP) Lakee911's Avatar
    Join Date
    Aug 2005
    Location
    Columbus, OH
    Posts
    1,328

    Default

    Bad bad bad ... if I understand what you're saying, it sounds like a piece of pipe is missing. Shouldn't run it until you get it fixed.

    Jason

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