Thanks for the tips about the filter on the primary heat exchanger and the diverter value, I'll have a look at those.
Tony I'm in E14, London - if that's close enough, let me know. I would be happy to pay you double up to a ceiling (say, £200?) - but I'd want to pay that extra amount only...
Thanks for all the replies - if only we could harness those feelings of frustration and convert them into usable power - we wouldn't need to build any new power stations!
Anyway, in response to the query about whether I have problems with the hot water, the answer is yes. If I run a hot water...
Hi
I have a Keston Combi C36 condensing boiler. It's about 3.5 years old and has worked fine till a few months ago. It keeps switching itself off due to overheating (lockout mode, error code: E03). Two plumbers have looked at it and can't find any problem. Even if it doesn't shut itself down...