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