While you wait for answers, we may have found some information which could help you.
Click here for Potterton Boiler Working Water Central Heatingpotterton kingfisher boiler central heating not turning on?
Where can I get instructions for potterton Kingfisher II?
my down stairs CH doesn't gets hot.can anyone tell me what's the problem?
Pottertton Kingfisher Boiler Overheating ?
My radiators will not go off?
Radiators upstairs will not go off after relighting Potterton Kingfisher ?