this has been happening for around a month. i had it seviced a year ago. i have British G homecare, so a guy came to look at it, said the problem was sludge causing it to overheat and quotesd me 600 quid (!!) for a powerflush. i got a few quotes from other CORGI engineers who all said much as...
hey, need some advice please. I have a fairly new (5ish years) radiant 20E combi boiler, which is overheating and shutting itself off within half an hour of turning the heating on. several red lights come on one at a time which are supposed to indicate sensor failure if they are flashing, but...