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Hi I have a potterton suprima 30 boiler and a potterton EP2002 control unit. If the hot water and heating controls are at the "on" position so that they are running 24 hours a day then the hot water does not heat up once it has been used up. It appears that there is a fault where...

Hi All I have been experiencing what I understand to be Water Hammer for many months now. The problem appears to be when the boiler starts-up first thing in the morning and in the evening - I get a loud bang from the pipes. It is definitely the hot water system as the central heating is off...