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