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