1/32" nick in 1" wirsbo hepex boiler supply line leave it or splice it?

kuribo Posted By kuribo, Sep 12, 2013 at 3:47 PM

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  1. kuribo

    kuribo
    Feeling the Heat 2.
    NULL
    

    Dec 10, 2007
    326
    7
    Loc:
    SW WI
    Hello-

    During the install of my underground boiler lines last week a 1/32" deep (roughly) cut was made into one of the boiler lines a few inches from the subfloor in my new boiler room. I am using 1" hepex and am wondering if I should cut it off and use a coupling to splice or not worry about it? If I don't splice it now, I will not be able to later once the floor is poured as it will cover the cut area of the pex....
     
  2. BoilerMan

    BoilerMan
    Minister of Fire 2.
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    Apr 16, 2012
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    I'd splice it. It's not worth the chance, I recall some good PEX carnage from boiling temps and superheated water. Always factor in a worst case when at all possible, as my Gramp used to say "a chain is only as strong as the wekest link":cool:

    Do you have access to the Wirsbo expansion tool? If so you can make a completely non-metallic splice that water will never harm if it were ever to get wet. I'd also sleeve it with some foam pipe insulation over the splice, Armaflex is great for this.

    TS
     
  3. kuribo

    kuribo
    Feeling the Heat 2.
    NULL
    

    Dec 10, 2007
    326
    7
    Loc:
    SW WI
    That's kind of what I thought. Yes, I have the pex expander. Would you recommend a brass/bronze (?) coupling or one of their plastic couplings?

    Thanks for the reply.
     
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