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Re:Simplifier by rsync on Saturday May 01, 2021 @12:42PM (#27007689)
I was not proposing replacing proper, copper drinking water lines with PEX. I was proposing replacing PVC lines with PEX. I'm thinking irrigation, utility supply, etc. ... I wouldn't expect a house to be plumbed with PVC for drinking water ...

Although the sharkbites are also really, really handy to have in your copper water system - if only to have a handful of caps in case of line breaks ...

Re:Simplifier by webmaven on Saturday May 01, 2021 @01:34PM (#27008106)
>... I wouldn't expect a house to be plumbed with PVC for drinking water ...

Manufactured (AKA mobile) homes are typically plumbed with PVC or PEX[0], and PEX is pretty popular for traditional (AKA site-built) houses as well[1].

[0] https://mobilehomeliving.org/plumbing-in-manufactured-homes-...

[1] https://www.bobvila.com/articles/pex-pipe/

Re:Simplifier by throwawayboise on Saturday May 01, 2021 @02:35PM (#27008620)
Yes, most new homes are plumbed with PVC (or actually, CPVC, which is a variant that tolerates higher temperatures and is sized like copper pipe) or PEX.

I wouldn't trust sharkbite fittings for anything really permanent (inside a wall, etc) but they are super handy for quick repairs.

Re:Simplifier by ThenAsNow on Saturday May 01, 2021 @01:20PM (#27007975)
Understood. I wasn't trying to shoot down your point with a drive-by, just want more people to be aware that PEX, which is quite common in new construction for household drinking water plumbing, is a questionable choice for at least that purpose.

PVC, CPVC, and PEX are all commonly used in drinking water plumbing.

I can't offer a qualified view on irrigation or utility plumbing; not sure if PEX leachates are worse than PVC, etc.