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