As I understand iot, the OP has told us that the problem with a combi are the flue restrictions consequent on his house being a Listed Building - and LABC cannot over-ride such rules, which are not theirs.
You are correct John, I've been looking for an alternative central heating system for many many years, I've seen lots of central heating engineers during that time. The problem is that I do not have access to an external wall which I could drill for a flue as this is a listed building. The back boiler has the flue in the chimney but this can no longer be done due to regulations. Hence the need to find an alternative (when my current boiler dies).
Back boilers are very reliable, if ugly. It probably won't die anytime soon.
What's the issue with replacing with another gas boiler?I agree John, this is something I have trying to avoid for a long time. One day my back boiler will break down, and since they do not make them anymore I am stuck; I cannot install a conventional combi boiler as I am not allowed to drill through external walls (the flat is in a listed building)
As above, back boilers are no longer made, and all current gas boilers require a flue but I am not allowed to drill through the walls due to being a listed building / flat.
All boilers require a flue, beit a conventional flue (presumably as your current boiler) or a balanced flue. Has no one suggested running the balanced flue up the chimney?
I was told that the flue could no longer go into the chimney as a gas engineer should be able to examine the whole length of the flue; even with the installing of inspection hatches the whole length would not be accessible (this is a flat). Therefore my understanding is that the flue should be installed horizontally through a wall, which is my dilemma.
Who by? Back boilers in chimneys are installed with a flue liner. Is this not good enough?
How are they supposed to examine a flue buried through the wall.
phpionline.co.uk
Thanks Bernard, I've been racking my brain trying to remember 'Keston'. IIRC the model will be S followed by the KW rating, so those will have been S30 (I hope I remember that right).This may be of interest, a listed building where the exhaust flue for a new boiler was run up through the existing chimney.
Keston boilers fitted at Selly Manor Museum
Two 30kW system boilers have been installed as part of a refurbishment project
It's usually only a few inches and presumably at least the interior of it can be 'inspected'' from outside, by removing the terminal.
It's certainly not a requirement I'm aware of, working in the controls industry I've had quite a few jobs ensuring the liner installers also pull in our cable(s) for flue fans, emissions sensors etc.
registeredgasengineer.co.uk
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