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Pressure testing PB or PEX under slab

Posted by Ken on December 31st, 2002 08:57 AM
In reply to Pex pipe materials not poly-butyl. by Jon Knight on October 24th, 2002 11:25 PM [Go to top of thread]

Moderator Post:
> My Polybutylene, Poly Butyl, Plastic, PB, Quest/Qwest pipe is leaking or brittle, Find Help Here! by Handyman on 10/28/2004

The Uniform Plumbing code only requires a Numatic pressure test for CPVC piping installed underground at150 psi. for 2 hours . I think your local inspectors are a little miss construed.As long as you make the run continuous with no joints you should not need to make a numatic test and should only need to do the regular air test of working water pressure or 50psi air pressure.

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