In article ,
Johnny B Good wrote:
For those of us living in older properties possessed of suitable
chimneys by which to vent the boiler exhaust and a basement to install a
decently specced boiler into, the improved efficiency in practice turns
out to be a lot less than "The Ideal" case used to justify the extra
expense of maintaining a modern condensing boiler.

Can you please explain the costs of maintaining a modern condensing
boiler? As opposed to fixing anything that may go wrong?

Old boilers (or rather CH systems) still have things like pumps and valves
which can and will fail eventually. No different from a modern one.

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*How do you tell when you run out of invisible ink? *

Dave Plowman London SW
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