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