Heatline combi boiler on 4 and going past what can I do?
dip switches positions ?
heatline boiler c24?
heatline c24 combi boiler?
heatline c28?
hot water going hot and cold, burner coming on and going off?
hot water flow problem?
my actuator on heatline c28 is wet?
What can I do when my Heatline C24 boiler continuously cuts out?