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Thread: furnace vent

  1. #1
    Join Date
    Jul 2019
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    furnace vent

    I just got my HVAC system installed and my furnace is gas. The vent pipe going through the roof is touching the wood in the roof. Is this something I need to be worried about because I know that pipe will get very hot.

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  2. #2
    Join Date
    Jan 2012
    Location
    Missouri, USA
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    If that is single wall pipe, it needs replaced with double wall pipe. Make them come back.

  3. #3
    Join Date
    Apr 2003
    Location
    Maple Grove, MN
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    Yes, what KSE said. Single walled pipe (like what you appear to have there) is supposed to be AT LEAST 6" away from any combustible materials (like that wood).

    Double walled (B-Vent) is what they should have used, and even that stuff is supposed to have a 1" gap between it and the wood. I also recommend telling them to come back to re do it correctly.

    Good luck.
    If at First You Don't Succeed, Skydiving Is Not for You.

  4. #4
    Join Date
    Jun 2014
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    Dover, DE
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    That looks like single wall vent pipe, but I’m hoping I’m wrong.
    I havent failed. Ive just found 10,000 ways that wont work. - Thomas Edison

    Its not whether you get knocked down, its whether you get up. - Vince Lombardi

    "In this house we obey the laws of thermodynamics" - Homer Simpson

    Local 486 Instructor & Service Technician

  5. #5
    Join Date
    Jul 2019
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    Thread Starter
    thanks. I will notify them tomorrow. Also. Is the furnace filter the same as the air filter.

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  6. #6
    Join Date
    Jun 2014
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    Dover, DE
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    Yes, they are both the same.
    I havent failed. Ive just found 10,000 ways that wont work. - Thomas Edison

    Its not whether you get knocked down, its whether you get up. - Vince Lombardi

    "In this house we obey the laws of thermodynamics" - Homer Simpson

    Local 486 Instructor & Service Technician

  7. #7
    Join Date
    Aug 2002
    Location
    Southold, NY
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    $hit..if they can't get that right the first time do you really want them back?


    What has the building inspector said?

  8. #8
    Join Date
    Mar 2010
    Location
    Woodbridge, VA
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    scary

  9. #9
    Join Date
    Mar 2016
    Location
    Dayton Oh
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    2,140
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    ouch. I would like to see what the top side of it looks like. Bet they didnt flash it in very well.

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