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  1. #1
    Join Date
    Apr 2012
    Location
    Princeton NJ
    Posts
    125

    Furnace PVC exhaust leak

    Hi, now that the furnace is on, I've noticed two very small water leaks from the PVC exhaust pipe junctions. Trane direct vent xv95. Maybe 1 tablespoon of water a day. On one I noticed a blob of silicone. There was lots of extra blue sealant on the lower edge also.

    Is this anything to worry about? I do wanted the leaks stopped.

    A tech will be out at some point for fall service, but is there an easy fix? Another blob of silicone...but the joint is a bit wet. Does it need to be dismantled and revealed?

    Thanks.
    Steve

  2. #2
    Join Date
    Feb 2008
    Location
    Altmar, New York, United States
    Posts
    4,983
    silicone will work for a while. i would have them fix it when they service it.

  3. #3
    Join Date
    Oct 2010
    Location
    Anderson, South Carolina, United States
    Posts
    7,669
    If it leaks water it could be leaking flue gases, it needs to be taken apart and completely re done with new fittings.

  4. #4
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    34,473
    Gotta have them cut out the leaking fittings and glue new ones in. Let them know before they come so they can have fitting with them.

  5. #5
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,589
    Quote Originally Posted by BaldLoonie View Post
    Gotta have them cut out the leaking fittings and glue new ones in. Let them know before they come so they can have fitting with them.
    X2 he won't be happy if he has to run for fittings. Look at it this way do you seal a leaking roof inside the house? No you have to fix leaks at the source, a new fitting and couplings and he should be able to fix it in minutes.

  6. #6
    This is the Ask Our Pro's forum. In order to post a response here, you must have verified qualifications and have been approved by the AOP Committee. You may ask a question by starting a new thread.

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    Last edited by jpsmith1cm; 11-04-2012 at 12:49 PM. Reason: non AOP member

  7. #7
    Join Date
    Apr 2012
    Location
    Princeton NJ
    Posts
    125
    Well thanks, and I will alert the tech to save a second trip.

    I'm concerned that there could be other leaks.....the only reason I see these two is that gravity is letting water leak. Who's to say on the top side of any of the numerous couplings there isnt a small air leak? Is it standard practice to test the joints with soapy water?

    Steve

  8. #8
    Join Date
    Jul 2006
    Location
    Virginia
    Posts
    4,813
    it could also be condensating
    We really need change now

  9. #9
    This is the Ask Our Pro's forum. In order to post a response here, you must have verified qualifications and have been approved by the AOP Committee. You may ask a question by starting a new thread.

    You can find the rules for posting and qualifications here.

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    Last edited by beenthere; 11-04-2012 at 01:30 PM. Reason: Non Pro * Member

  10. #10
    Join Date
    Aug 2012
    Location
    North Dakota
    Posts
    518
    didnt they use purple primer durring original installation all joints should be purple

  11. #11
    Join Date
    Aug 2012
    Location
    North Dakota
    Posts
    518
    Iwould never rely on resi co detecters

  12. #12
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,589
    They only want purple on commercial around here, it's ugly but you have no doubt it's done.

  13. #13
    This is the Ask Our Pro's forum. In order to post a response here, you must have verified qualifications and have been approved by the AOP Committee. You may ask a question by starting a new thread.

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    Last edited by jpsmith1cm; 11-04-2012 at 12:49 PM.

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