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changing a FP 2000 Programmer?
We are not getting hot water Whymight that be?
Potter powermax HE won't refill?
suprima 50?
identifying the flow and return pipe?
No heating or hot water?
How to get hot water?
Potterton performa 24 boiler?
dhw working fine but chw switsh off after 10 second?
threeway valve?
Radiators?
no fault code ?