This is two wireless heating zones being wired up

This is the Honeywell CMT927 it's a wireless programmable room thermostat only.

Cost is £125.00

This is the Salus IT500 it's a wireless programmable room thermostat that's also controlled via the internet.

Cost is £150.00

Jamiegrant.co.uk

This is the Baxi NoCo void sensor, it interlocks with the boiler turning it off if activated

£350.00 inc. installation

Domestic Heating Engineers