On Wed, 23 Oct 2019 14:43:00 +0100, Robin wrote:

snip

Ignoring the binary / analogue action, what is the (functional /
thermal control) differences between a thermostatic rad valve and a
room stat / room? And we are only talking about the ability to manage
the temperature in the room, nothing else / irreverent thanks.

This should be funny ...

It seems to me an old CH system that requires at least one radiator
without a TRV is not particularly funny - unlike, say, a know-it-all who
has never heard of such systems (albeit the latter may of course really
be an occasion for regret, especially if it arises from a traumatic
brain injury caused by DIY).

What?

Cheers, T i m