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