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fillingloop non return valve

Joined
15 May 2008
Messages
11
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0
Location
Blackpool
Country
United Kingdom
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
 
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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