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Polybutylene piping in my travel trailer

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  • Polybutylene piping in my travel trailer

    I have a 1992 travel trailer in which Qest (polybutylene) plumbing is used throughout. Do I have to use a new cone for the end of the pipe that has come off or can I glue it back on with a universal cement? I have many years of experience with regular plumbing, but very limited with the Qest plumbing. I know this stuff is not used anymore but that there are still places that offer fittings and so on. What is the best way short of redoing the whole plumbing to fix this one pipe? Help!!

  • #2
    Re: Polybutylene piping in my travel trailer

    Go to a machinist and have a couple of Brass adapters made up to go from the PB to 1/2" pex then crimp it in with correct Rings and then use the proper fitting at the fixture ...

    You probibly have 1/2" OD pipe

    Finding New old stock is going to be a ***** ! So the parts have to be made ...

    Second choice NOT as good as the first You may be able to find stainless steel Inserts and go with Nylon Ferrals and compression fittings ...

    or the Worst choice is the white Insert fitting

    Or hire a local plumber to Re-Do it in Pex should Run about $600.00 I do them all the time ... :-)

    Dave

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    • #3
      Re: Polybutylene piping in my travel trailer

      You don't have to have an adapter made up, your plumbing supply house sells them
      sigpic

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      • #4
        Re: Polybutylene piping in my travel trailer

        no cement needed stab fitting to pex ok in pb easy fix.full repipe will have to happen soon

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        • #5
          Re: Polybutylene piping in my travel trailer

          How much pipe can you have that it would not be better to just redo the thing in Pex or Cpvc?

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          • #6
            Re: Polybutylene piping in my travel trailer

            This is news !

            I have cash in hand for a dozen !

            1/2" OD Polybutulene to 5/8" OD Zurn pex

            Please send Link so I can purchase

            Dave

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            • #7
              Re: Polybutylene piping in my travel trailer

              Do the repair and you will become a master of this repair. I say this because once the pipe you have starts to fail...it keeps failing. Usually it goes on the hot side first and then just keeps going.

              If you want this to be over and enjoy the camper then repipe is the only real answer.

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              • #8
                Re: Polybutylene piping in my travel trailer

                http://www.pexsupply.com/HydroPEX-H1...ling-5339000-p

                Originally posted by NoeEttica View Post
                This is news !

                I have cash in hand for a dozen !

                1/2" OD Polybutulene to 5/8" OD Zurn pex

                Please send Link so I can purchase

                Dave
                No, it's not rocket science, it's plumbing and unlike rocket science it requires a license.

                Comment


                • #9
                  Re: Polybutylene piping in my travel trailer

                  That's NOT it ! another term for the same thing would be 3/8" polybutylene to 1/2" pex I can get out a mic and give dimensions and supply photos ...

                  campers have 3/8 polybutylene

                  Anybody want to make and sell these ?


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                  • #10
                    Re: Polybutylene piping in my travel trailer

                    Check this one.

                    https://www.centraltrailer.com/cart/...oducts_id=1021

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                    • #11
                      Re: Polybutylene piping in my travel trailer

                      That looks promising :-) The ad contradicts its self ...

                      If you could find some old siox chief 3/8 polybutylene to 1/2 copper fitting sweat adapters and sweat them to 1/2 pex female copper adapters that would work ...

                      Still gotta get crimpers though might be able to rent them ...

                      Dave

                      (I have a Coleman pop/up with 3/8 poly LOL)

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                      • #12
                        Re: Polybutylene piping in my travel trailer

                        The ad uses the same pic for all of the couplings. But the part listed 94-9305 is the adapter you are looking for.

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