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ferolli modena 102?
DHW running hot then cold?
c/h hotwater?
what part do ineed?
DHW Run's hot and then goes cold?
High pressure on my Optima Ferolli 901 central heating?
how can i fix this ?
falling presher?
2 amp fuse blown?
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?