Baxi Maxflow Combi WM

geoffsimpson · 20 May 2011

Please help, My boiler has developed this fault - When heating the hot water the pressure keeps on rising and eventually blows off through the PRV - have cheked both expansion vessels and both are at manufactures settings - no visable signs of water escaping anywhere else - have tried bleeding ystem and refilling but still same - cheers Geoff

twgas · 20 May 2011

How, exactly did you check the pressures in the vessels?

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Baxi Maxflow Combi WM

geoffsimpson

twgas

DIYnot Local

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