Friday, 4 June 2021

Pressure testing new system - slow pressure loss | Terry Love Plumbing Advice & Remodel DIY & Professional Forum

I've got a fairly small plumbing system that I just put in a guest house we're building. 2 bathrooms, a bar sink and a laundry. It's generally PEX-A with some copper stub-outs. To test, I turned the system on, then turned off the main ball valve and I've been watching for pressure loss. It started 3 days ago at 58 psi and it's now at 54 psi.

So my guess is that I've got a small leak somewhere, but I've been to every fitting trying to feel for water and can't find anything. This is a...

Pressure testing new system - slow pressure loss

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