In an earlier contribution to this discussion,
Rob wrote:



B&Q sell identical-looking valves to this and they do drain the
radiators, which is why I fitted them last time I had the system
drained.

Rob


Ta! I'll have a look next time I'm in B&Q - and maybe buy one from Screwfix
to check out, next time I need 45-quid's worth of anything.
--
Cheers,
Set Square
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