A
Alanwilliams
I have just finished plumbing in my first shower. I pressure tested the pipe with a compression nut. No leaks. I fitted the splash board and installed the shower unit. When the shower unit is on I am getting considerable pooling of water under the raised shower tray. When the shower is off but still under mains pressure there is no leak. My gut feel is it is not condensation but is it possible for pipe not to leak under mains pressure but then leak when water is flowing through the pipe? It's not the waste trap or pipe as I have checked that.
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