Originally Posted By: apfaff
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Love the PEX.
It has been used and tested extensively in Europe. Millions of feet of it in service and no major complaints that I'm aware of.
I plumbed my whole house with it. You still need copper stubbed out in some areas where shutoffs are used. The valves need the rigid copper for support when operated.
PEX is a lot easier to work with, you don't start anything on fire when soldering. I soldered all copper fittings, manifolds and stub-outs on the bench and nail them up.
I ran it out to my barn. It froze several times and then flows freely when it thaws.
I recommend it!