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