Fuse blew within hrs Halstead ACE HE 30 after being replaced?
halstead boiler?
halstead ace high boiler keeps going to lockout?
boiler will not stay on?
Halstead Ace high combi boiler heating is ok but no hot water?
Halstead ace boiler locking out after 30 secs. ?
location of diaphragm on Halstead Ace HE 24 boiler?
Heat Exchangers on Halstead Finest Gold?
Halstead finest gold, no hot water, only when heating is on?