While you wait for answers, we may have found some information which could help you.
Click here for Kingfisher 2 BoilerPottertton Kingfisher Boiler Overheating ?
how to repair potterton kingfisher?
potterton kingfisher boiler central heating not turning on?
My radiators will not go off?
my down stairs CH doesn't gets hot.can anyone tell me what's the problem?
Radiators upstairs will not go off after relighting Potterton Kingfisher ?