dip switches positions ?
my actuator on heatline c28 is wet?
Heatline combi boiler on 4 and going past what can I do?
heatline compact s24 boiler?
pressure gauge has fall below 1 bar?
problems with hot water on heatline viso 24?
hot water going hot and cold, burner coming on and going off?
heatline c28?
f4 ironsation fault on boiler ?