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