While you wait for answers, we may have found some information which could help you.
Click here for Boiler Currently SetPotterton kingfisher 0-max knob?
Pilot light won't relight?
how can I get my potterton kingfisher CF 180 to fire up?
how to repair potterton kingfisher?
Pottertton Kingfisher Boiler Overheating ?
My radiators will not go off?