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 PEX joints/fittings
Author: kspain (CA)

I've been told the joints and specifically the fittings are critical to a PEX repipe. Are there quality issues and/or differences with joints, fittings and knowledge of both that should determine which company you should use to install PEX?

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 Re: PEX joints/fittings
Author: packy (MA)

in all the years i've been using pex, i have used all sorts of fittings. some from plumbing supply house (most expensive), some from big box stores and some from online sources. i have never had a problem.
remember there is no more brass as we knew it. no lead laws have forced manufacturers to make brass out of different metals. rather than increase the cost they are using plastic instead. i don't like the plastic but that is just my opinion.
to answer your question, the clamps used to secure the fittings are where the problems are. i have replaced fittings where the side pinch clamps have corroded and broke. one caused serious flooding to a basement area.

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 Re: PEX joints/fittings
Author: North Carolina Plumber (NC)

The water quality is also related to the equation. Acidic water will destroy brass pex fittings as well as copper pipe + fittings over time. I use the polyalloy fittings.

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 Re: PEX joints/fittings
Author: hj (AZ)

Since they are stainless steel, HOW did the corrode and break?

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 Re: PEX joints/fittings
Author: packy (MA)

here it is...
you tell me how it corroded and broke..

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 Re: PEX joints/fittings
Author: kspain (CA)

Wow, I hadn't considered the material and workmanship of the clamps. One more thing to consider in deciding between copper repipe and PEX....

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