I have a Vaillant VCW GB 242 EB boiler and today the flame went out and will not relight when the reset switch is pressed in fact there is no sparking sound.
All electrics are on and the pump is working, can't make out if the flue fan is working or not. Any ideas assuming the flue fan is ok?
All electrics are on and the pump is working, can't make out if the flue fan is working or not. Any ideas assuming the flue fan is ok?