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The instructions/manual I got from Uponor said the only approved connection method for hePex and AquaPex was their ProPex expansion rings and fittings. I can believe the claim that this is just them pushing their proprietary tools/rings, but crimping does lower the warranty on their tubing from...

I have some existing pex lines (running from basement to attic) that need to be extended. I am using Uponor's AquaPex (pex-a) and the ProPex expansion fittings, but I also have crimp rings and tools available. How should I couple the existing non-pex-a line to the new pex-a line? I know you...

Great idea, that's much simpler and safer. Thanks!

Looking for clever tricks for short pipe work: The builders ran 3/4" copper pipes back and forth from the unfinished attic to the basement for hydronic heating. I need to connect these to the boiler, but one run is only sticking out of the unfinished basement ceiling an inch or so, and it has...