"Andy Hall" wrote in message
...
On Thu, 4 Nov 2004 16:23:43 -0000, "IMM" wrote:


"Christian McArdle" wrote in message
et...
or sensor and done with it.

Look at the DPS web site, and two stats is a common option.

He does not deny that it is sometimes done, merely that it is the
simplest
option. The fact that it is an costed option, rather than standard
would
indicate that it is not the simplest one.

The simplest way to improve efficiency, rather than buy an expensive
sophisticated boiler.

I think that you would get a similar effect to what I saw on any
recent condensing boiler


Then there is the matter of effectively making your
cylinder bigger by adding some simple controls.

But you haven't - you made it "smaller"

No bigger as it gives a larger volume of hot water.

, except for adding a flow
switch to start the boiler earlier
than the thermostat would.
Everything else made it worse
from the capacity perspective.

Nonesense.