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