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