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Ferroli Boiler Optimax HE 31C?
how can i fix this ?
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??
what part do ineed?
DHW Run's hot and then goes cold?
ferolli modena 102?
2 amp fuse blown?
falling presher?
c/h hotwater?
shower in bathroom keeps going hot then cold then hot etc?