Can anyone help please...

I have a Heatline C24 boiler which is now just over 3years old. It has started playing-up and won't come on in the morning until I reset it a few times.

I've had a qualified corgi plumber working on the boiler for a few days now. To date he has replaced the PCB and also the ionisation electrode and the other two probes.

Now the boiler occasionally fires up when I switch the hot water on. But, will not fire-up for the central heating. The plumber says we need to replace the gas valve. Does that sound right?

CreditPunch, February 2009

Does the boiler ignite the burner then turn itself off and retry a few times each time the burner lighting then going out before it gives up flashing an error code?

John H, February 2009