While you wait for answers, we may have found some information which could help you.
Click here for Hot Water HeatingRadiators upstairs will not go off after relighting Potterton Kingfisher ?
Pilot light won't relight?
how can I get my potterton kingfisher CF 180 to fire up?
how to repair potterton kingfisher?
my down stairs CH doesn't gets hot.can anyone tell me what's the problem?
Central heating radiator doesn't gets hot sometimes and sometimes does?