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Old 11-11-2019, 08:53 PM   #7
SteveK
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City: Gulf Islands, BC Canada
Vessel Name: Sea Sanctuary
Vessel Model: Bayliner 4588
Join Date: Jul 2019
Posts: 5,017
Quote:
Originally Posted by twistedtree View Post
I'm all in favor of PEX, and my last couple of boats were built with it right from the factory.


The only suggestion I would have is to check the temp rating of the tubing and fittings. Typical domestic hot water is only 120-130F, and maybe up to 140F. But if you have hot water heated by your engine while underway, it will reach engine temp of 180-190F which is much hotter than typical. I have seen some of the quick connect fittings only rated to 150F, and know of people who have had failures with them.
Rated up to 200F, however also with a max pressure of 80 psi
pex.pdf
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