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