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