Posted 22nd Nov 2021
On an actuator, similar to:
bes.co.uk/med…png

Am I correct to think
W=supply hot water to taps.
H=supply hot water to heating (radiators).
M is mid position, but does that mean supply both taps andheating; or neither, or something else?

Many thanks in advance. (I have hot radiators but no hot tap water). I did try searching and found plenty of pages discussing WMH but none what M was...
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