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leaks in 3/4 copper under a slab

jszy
Member Posts: 1
has anyone used 1/2 pex insereted in 3/4 copper to repair a leak under a slab on a bb type hot water heating system?
0
Comments
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I have not. Sounds like you may need to run new pipes above the concrete. You can build a baseboard box and have them run through that?
Harvey
ramermechanical.com
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Without chopping up the floor, it isn't practical.
If it is copper, and soldered under the floor and in sand, its probably pulled apart from expansion and contraction. When contracting/cooling, it can yank the pipe right out of a soldered ell.0 -
Neighbor down the block had a plumber run a section of 1/2" pex through 3/4 copper, said he's done a few this way. It works if you can get it through. I would have to think it would restrick flow somewhat.0
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