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