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Pex Crimper on Polybutelyne

2K views 2 replies 2 participants last post by  AZA 
#1 · (Edited)
Hello all.

I have purchased a home that still has the old gray polybutelyne plumbing system.

I will eventually change out the entire piping sytem as I am well aware as to the problems with this kind of pipe. Thats a no brainer there and was a factor in purchasing this home.

My question is, as my experience with Copper, PVC, CPVC and PEX is okay, can I use a PEX crimp ring and fittings/valves on Polybutelyne as a temporary fix? (6 months to a year). I am really not familiar with PolyBute.

I am installing a new dishwasher and given I dont have much room to work in and I dont like the idea of a standard screw ring/compression feeder valves for the fix.

I'd appreciate any insights or experiences.

Thanks so very much!
 
#2 ·
Do not use standard pex fitting on the PB. They sell a tranxition fitting (coupling ) from PEX to PB. It has a standard black crimp ring for the PEX side and a copper colored crimp ring for the PB side. Use your standard PEX crimper on both rings. The big box stores carry the fitting (comes packed with the correct crimp rings).
 
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