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Mend Potterton Home Heating Systems

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Potterton performa 28 boiler goes to 3 bar?

Help please!!
Potterton performa 28 boiler which goes up pass 3 bar , after a while there's knocking/banging like a hammer until water supply is turned off also leak coming from, I think the heating return valve?

Jay Jones
November 2011
Mend Heating, Home Heating Systems
Mend repair fix Potterton home heating systems

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Mend Heating, Home Heating Systems
Mend repair fix Potterton home heating systems