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