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