While you wait for answers, we may have found some information which could help you.
Click here for Potterton Kingfisher Boilerpotterton kingfisher boiler central heating not turning on?
how can I get my potterton kingfisher CF 180 to fire up?
Central heating radiator doesn't gets hot sometimes and sometimes does?
Pottertton Kingfisher Boiler Overheating ?
My radiators will not go off?
Radiators upstairs will not go off after relighting Potterton Kingfisher ?