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Thread: Furnaces water broke

  1. #1
    Join Date
    Oct 2014
    Location
    Saint Pail, Minnesota
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    Furnaces water broke

    End of a long cold day here in Minnesota when I arrived to this customer. Customer is a small Muslim grocery. Pressure switch fault was the issue. Checked everything in the furnace and checked terminations outside, the. I heard gurgling.

    Return back to the dungeon of a basement to find random joints on the exhaust leaking.
    Found where the pipe was trapping condensate. I cut the strap and had what seemed like gallons falling from every leak point.

    I investigated the tape thinking it was just covering up a whole from a combustion analysis originally. Nope, the tape was a coupling. I also was able to pull apart 3 other joints that were not primed or glued. Also note on the 2” there is high temp silicone.

    After a trip to Home Depot for materials I polished a turd with new exhaust pipe nears the furnace.


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  2. #2
    Join Date
    Nov 2004
    Location
    Northern Calif
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    Is that your pressure gauge in the unit?
    I'm not young enough, to know everything...

  3. #3
    Join Date
    Oct 2014
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    Saint Pail, Minnesota
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    Thread Starter
    Quote Originally Posted by dieseldude View Post
    Is that your pressure gauge in the unit?
    Inside the furnace yeah that’s my magnehelic. Which that is another issue I found only 3” going to the furnace when it’s running.

  4. #4
    Join Date
    May 2020
    Location
    Haskell Oklahoma
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    I truly believe people are so stupid and they think that since it’s not a pressure pipe it doesn’t have to be glued. I find em just stuck together all the time.

  5. #5
    Join Date
    Jan 2010
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    Is there a union inside the furnace ?

  6. #6
    Join Date
    Oct 2014
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    Saint Pail, Minnesota
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    Thread Starter
    Quote Originally Posted by VTP99 View Post
    Is there a union inside the furnace ?
    Yes there is.

  7. #7
    Join Date
    Nov 2006
    Location
    Athens, Ohio
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    8,622
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    The good old "foil tape coupling." I've found them too often to be surprised any more.
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  8. #8
    Join Date
    Oct 2014
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    Saint Pail, Minnesota
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    Thread Starter
    Quote Originally Posted by kdean1 View Post
    The good old "foil tape coupling." I've found them too often to be surprised any more.
    Yeah I’ve never seen it around these parts. I think this thing was in someone’s garage and then he hooked it up for this customer. There was still scrap sheet metal and some scrap csst lying on the floor.

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