On Fri, 24 Feb 2006 13:12:44 +0000, Andy Hall wrote:

At first sight, it might seem that it does, because if there is a
greater temperature drop across radiators the heat given up from them
must be greater.

Unfortunately, it doesn't quite work like that.

I realise that, heat flow etc. But if the boiler is cycling, it can't
be running efficiently.

--
Nigel M