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