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