In this case, freezing temps. It is seasonal. While I have been
careful about drainage, it is in blueberry country. (acid soil = acid
water = copper washing away, as well as Iron pipes washing away.) THe
copper is over 40 yrs old. All the pipes hung below the joists. Now all
the plumbing is neatly tucked up between the joists. All the joints I
redid with the permatex clear rtc are holding nicely. I redid a couple
more last night without leaving the water off for a 1 hour cure time.
They hold even without the cure time.
Another factor was to make as many runs as possible sloped so that when
the bottom manifold is drained, the pipes drain also. I will have one
sink that will need to be drained separately. Making the drain process
simple is a big advantage. My goal was to be able to open two valves
(hot and cold manifolds) and drain the whole thing.
Scott Ritchey via Mercedes wrote on 7/3/19 7:01 PM:
Depends. My well water is slightly acid, not enough to be unhealthy but enough
to eat copper pipes (especially thin wall - type M). The 40-year old copper in
my house developed leaks, especially flexible tubing but the rigid stuff broke
easily too. I replaced all with PEX or black poly for the feed from pump.
-----Original Message-----
From: OK Don
Perhaps the best "PEX" system is copper tubing??? New is not always better.
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