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shower in bathroom keeps going hot then cold then hot etc?
ferolli modena 102?
High pressure on my Optima Ferolli 901 central heating?
what part do ineed?
falling presher?
Ferroli Boiler Optimax HE 31C?
c/h hotwater?
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??
how can i fix this ?