In an earlier contribution to this discussion,
Owain wrote:

Set Square wrote:
In the unlikely event that you have a fully pumped system - in which
case you will have one or two motorised valves and a tank stat - you
will have independent control over HW and CH and will be able to
have either without the other - or both together.

It's possible to be fully pumped but still not have independent
control of HW and CH.

Owain

That would be extremely foolish!
--
Cheers,
Set Square
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