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