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Can't get hot water but central heating is working fine, any ideas??
falling presher?
shower in bathroom keeps going hot then cold then hot etc?
High pressure on my Optima Ferolli 901 central heating?
2 amp fuse blown?
what part do ineed?
how can i fix this ?
c/h hotwater?
DHW running hot then cold?
Ferroli Boiler Optimax HE 31C?
ferolli modena 102?
DHW Run's hot and then goes cold?