"Andy Hall" wrote in message
...
On Wed, 20 Jul 2005 17:39:51 +0100, "Doctor Drivel"
wrote:


"Andy Hall" wrote in message


This does not make optimal use of a condensing boiler, let alone a
modulating one.

It does. Only a cheaper, simpler more reliable boiler need be used.

Sorry but no, as has been demonstrated before.

It hasn't. You made things up, that was all.