Stat and receiver in a smart thermostat setup

On many smart thermostat jobs, the thermostat and receiver need to suit the existing controls and pair properly.

Serving Brent, wider NW London, and selected West London postcodes. Send your postcode and 2–4 clear photos for a quick quote.

This guide explains what the thermostat and receiver each do, what is usually included on a straightforward smart thermostat install, and what can turn it into a wider heating-control or remedial job.

This guide is about the control side of the heating setup. If the boiler itself is faulting, losing pressure or not firing reliably, the first step may be wider heating diagnosis before the controls setup is clear.

What is usually included

  • Check the current thermostat, any receiver or programmer, and the likely fit for the chosen model.
  • Install or reconnect the receiver neatly, pair it with the thermostat, and confirm the controls respond properly.
  • Test basic heating demand and simple everyday use before handover.

What can change the scope

  • Old programmers, hot-water control, multiple zones or unclear wiring can need a fuller system check first.
  • Poor previous work, damaged wiring or a fault outside the controls can turn a simple swap into wider diagnosis.
Official sources and further guidance

Need a quick answer on thermostat and receiver fit?

Send a photo of the current thermostat, any receiver or programmer, your postcode, and the new model if you already have it.