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Do the cinch clamps that you use fit snug on the pipe. The new ones that their selling around here at the supply house are real loose.

I dont cinch clamps, those are crimp rings.

And technically we are not supposed to soft solder under a slab either......Shhhhhhhhh. LOL.
 

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RETIRED Pornstar, Service Plumber
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I dont cinch clamps, those are crimp rings.

And technically we are not supposed to soft solder under a slab either......Shhhhhhhhh. LOL.
I don't understand why you used pex at all here. If you're okay with those two solder joints why not just use a short piece of copper and two couplings?

Also, you may have made pinholes more likely to occur again by introducing a dielectric material. What did the inside of the pipe look like?
 
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· Super Moderator
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I don't understand why you used pex at all here. If you're okay with those two solder joints why not just use a short piece of copper and two couplings?

Also, you may have made pinholes more likely to occur again by introducing a dielectric material. What did the inside of the pipe look like?

I wanted to test out pex in that application.

Brass and copper can touch all day long. Galvanized steel can't touch copper....that's a no-no in our code.

People are usually given {3} options:
1} spot repair,
2} re-route the line over-head;
3} whole-house re-pipe.

I can guide them but it's their call.
I have a whole-house re-pipe coming up in January.
 
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