On Monday, 7 March 2016 16:51:28 UTC, DerbyBorn wrote:
In a council owned building - recently built. Neat conduit instalation
dropping mains down to a spur outlet feeding a convector heater.
But - partway down the wall was a Besa Box with a room thermostat that
controls the heater. Mmmm!

Lovely.

I've rewired all my thermostat besa boxes for the tannoy system.

Owain