While you wait for answers, we may have found some information which could help you.
Click here for Boiler Heating Hothow can I get my potterton kingfisher CF 180 to fire up?
Pottertton Kingfisher Boiler Overheating ?
Central heating radiator doesn't gets hot sometimes and sometimes does?
Radiators upstairs will not go off after relighting Potterton Kingfisher ?
Potterton kingfisher 2ignition problem?
my down stairs CH doesn't gets hot.can anyone tell me what's the problem?