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  1. #1

    Default TPR extension material

    HI, I been running into TPR extensions installed using compression fitting instead of soldering the joints
    Anyone know how the compression fitting will hold up if TPR valve opens up? Any body else finding this and are you writing it up. Copper pipe installed
    Thanks
    Mike Richards
    Lighthouse Home Inspections

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  2. #2
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
    Posts
    26,252

    Default Re: TPR extension material

    What type of material is the T&P relief valve discharge pipe?

    Any photos?

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  3. #3

    Default Re: TPR extension material

    Quote Originally Posted by Jerry Peck View Post
    What type of material is the T&P relief valve discharge pipe?

    Any photos?
    added info to original post


  4. #4
    Join Date
    Mar 2012
    Location
    Lansdale, PA
    Posts
    876

    Default Re: TPR extension material

    I doubt that the code specifically comments on this. Since the fittings are approved (I assume) and copper is approved I think it is fine. Once the valve opens the actual pressure that can develop in the discharge pipe is not very high.


  5. #5
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
    Posts
    26,252

    Default Re: TPR extension material

    Hard to tell from the slightly out of focus photo, but at least some of those copper fittings appear to be SharkBite fittings, which are not compression fittings.

    The fittings are likely okay, but several other things are not.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  6. #6
    Join Date
    Jan 2011
    Location
    Mississauga, Canada
    Posts
    42

    Default Re: TPR extension material

    Quote Originally Posted by Jerry Peck View Post
    Hard to tell from the slightly out of focus photo, but at least some of those copper fittings appear to be SharkBite fittings, which are not compression fittings.

    The fittings are likely okay, but several other things are not.

    Jerry,

    What is wrong exactly....could it be the number of elbows?

    I did a quick research to see but did not actually find anything pertaining to the number of elbows.

    Mike.

    Mike Rodney
    Ontario, Canada

  7. #7
    Join Date
    Feb 2012
    Location
    Seattle, WA
    Posts
    8

    Default Re: TPR extension material

    The problem with shark bites (if that is what they are---they look a bit like pre-soldered fittings) is that they reduce the inside diameter of the pipe two times per fitting (to less that full 3/4") and manufacturer of the valve limits the number of elbows (or equivalent) to four.


  8. #8

    Default Re: TPR extension material

    Quote Originally Posted by Mike Richards View Post
    HI, I been running into TPR extensions installed using compression fitting instead of soldering the joints
    Anyone know how the compression fitting will hold up if TPR valve opens up? Any body else finding this and are you writing it up. Copper pipe installed
    Thanks
    Mike Richards
    Lighthouse Home Inspections
    Pretty obviously copper, 3/4 in from the picture. Since the drain is not (and should never be) under pressure, I don't see a problem.

    True Professionals, Inc. Property Consultant
    877-466-8504

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