dip switches positions ?
How can I fix my pcb heatline s 24?
Heatline boiler ignites and then the flame goes out?
how can i fix my heatline viso 24?
my actuator on heatline c28 is wet?
f4 ironsation fault on boiler ?
Heatline combi boiler on 4 and going past what can I do?
heatline boiler c24?
hot water going hot and cold, burner coming on and going off?