fillingloop non return valve

jamieboy1 · 3 Sep 2008

hi. i was wondering . on a filling loop is any there way of telling if the non return valve is passing by besides disconnecting it and having a flood. is there a test screw which can loosened? thannks

mickyg · 3 Sep 2008

Why would you suspect its passing? Even if it was, you need still need the isolation valve to fail and the system pressure to raise above the incoming mains pressure before anything of any slight concern to happen...

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fillingloop non return valve

jamieboy1

mickyg

DIYnot Local

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