Halstead finest gold, no hot water, only when heating is on?
extractor fan replacement?
halstead ace high boiler keeps going to lockout?
Fuse blew within hrs Halstead ACE HE 30 after being replaced?
hot water?
halstead boiler no heating just hot water?
Heat Exchangers on Halstead Finest Gold?
combi boiler halstead ace high?
halstead ace high combi keeps dropping pressure?
location of diaphragm on Halstead Ace HE 24 boiler?
Halstead ace boiler locking out after 30 secs. ?
Halstead Best 60 boiler?