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