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