In an earlier contribution to this discussion,
Clive M wrote:


Of course - going to S plan however would still mean that the HW
valve need to be fitted in the upstairs loft - and prevent a RF tank
stat being used.


There's no problem in using an RF tank stat - but I haven't come across any
RF zone valves with remote motor controls and volt-free contacts - which is
what you would need to avoid having to run cables to it.
--
Cheers,
Set Square
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