On Mon, 12 Nov 2007 13:33:32 +0000 (GMT), "Dave Plowman (News)"
wrote:



So it comes down really to an inspection of the system rather than an
actual service or any maintenance. And in most cases the costs of an
annual inspection would be better put into a fund for repairs if the
system breaks down.

Which will certainly exceed any savings made by gas boiler design efficiency
savings.

Andy