Heatline boiler showing f5 fault?
pressure gauge has fall below 1 bar?
Heatline combi boiler on 4 and going past what can I do?
Heatline boiler ignites and then the flame goes out?
hot water going hot and cold, burner coming on and going off?
hot water flow problem?
heatline solaris?
What can I do when my Heatline C24 boiler continuously cuts out?
f4 ironsation fault on boiler ?