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