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  1. #1
    Join Date
    Feb 2011
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    Chicagoland
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    Plugging Combustion Test Holes

    What is the preferred method of plugging test holes in PVC flues?

  2. #2
    Join Date
    Mar 2004
    Location
    SE Michigan
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    22,954
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    I use high temp silicone.
    “Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery.”

  3. #3
    Join Date
    Mar 2018
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    Quote Originally Posted by strogen View Post
    What is the preferred method of plugging test holes in PVC flues?
    Put in a combustion tee??


    Sent from my iPhone using Tapatalk

  4. #4
    Join Date
    Feb 2004
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    2,825
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    How about a Petes Plug. Now you have a source for future tests. Seems I've heard no holes are allowed in pvc venting?

  5. #5
    Join Date
    Mar 2016
    Location
    Pahrump, NV
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    Thread the access port with a tap, and screw in a pvc or brass threaded plug.
    It's an upside down world we live in.

  6. Likes STEVEusaPA liked this post
  7. #6
    Join Date
    Dec 2014
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    2,558
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    Check out Tru-Tech tools combustion Port plugs.

    Sent from my SM-G930V using Tapatalk

  8. #7
    Join Date
    Jul 2007
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    Virginia
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    Quote Originally Posted by David Goodman View Post
    Thread the access port with a tap, and screw in a pvc or brass threaded plug.
    Instead of learning the tricks of the trade, learn the trade.

  9. #8
    Join Date
    Feb 2011
    Location
    Chicagoland
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    Thread Starter
    Thank you to everyone for your replies. Ordered up a pack of brass plugs from TTT.

    Along with a Veto TP4, and a Testo 745..... gotta get in on the free shipping!
    Last edited by strogen; 04-10-2018 at 11:15 AM. Reason: additional info

  10. #9
    Join Date
    Apr 2018
    Location
    torrington CT
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    24
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    i use a 1/4" pipe tap to tap the pvc and install a 1/4" brass plug. works great

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