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