In article , BigWallop
wrote:
But the DIYer is not changing with the times as fast as the trades are,
so problems are now starting to arise from this gap in knowledge.

When it comes to central heating this does not seem to tally with the
experience of people here. While members of this group are discussing the
merits of various condensing boilers, control options, UFH etc, more than
a few in the queue at the merchants want only to fit what they were
fitting 10 or 15 years ago.

--
Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk
Free SEDBUK boiler database browser http://www.sda.co.uk/qsedbuk.htm