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regarding non filling of valliant boiler could it be the non return va

Posted by Julie Grant, on Sat 19 Jan 2013 12:00am

regarding non filling of valliant boiler could it be the non return valve ??

Sun 20 Jan 2013 12:00am

It is possible yes

Sat 19 Jan 2013 12:00am

Unlikely unless Filling loop fitted incorrectly. Call a gas safe engineer. Bill, Pipe Dreams Plumbing Services, Bournemouth

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