Boiler Switch & Thermostat


Originally £79.98

Model LW920, LW921 (Connect / Smart Series)

The Lightwave Boiler Switch, and Lightwave Home Thermostat. Use the Lightwave App to monitor, schedule and control your boiler from anywhere.

The Boiler Switch requires a simple wired connection to a combi boiler (the most common boiler type) where a room stat would normally be connected. This can be DIY installed and comprehensive instructions are provided. It can also be added to a Y or S plan system boiler setup.

Use the Lightwave Link to operate from the Lightwave App. Our smart wireless thermostat enables you to monitor, schedule and control your heating from anywhere via your smartphone. It is designed to work in combination with the Lightwave Boiler Switch. 

Setup Guides

Lightwave Home Thermostat Setup Guide
Lightwave Boiler Switch Setup Guide

This offer brings you The Lightwave Boiler Switch and Lightwave Home Thermostat for just £50 whilst stocks last. Discount shown is against the individual purchase price.

Originally £79.98

  • Free delivery on orders over £150
  • Need help choosing, just give us a call on 0121 250 3625
  • Lightwave Link Plus required


Control heating from phone

With Lightwave’s smart Boiler Switch connecting to the wireless Lightwave Home Thermostat, you can remotely switch your boiler on using an app on your smartphone.

Need some help?

Speak to an expert

We're happy to explain how all our products work and to help get you started over the phone. Real people, plain English and no obligation.

Call us on: 0121 250 3625

Product Specifications

Smart Series device

Requires Link Plus and Link Plus App for operation


Works with Apple HomeKit, Amazon Alexa, Google Assistant and IFTTT

DIY retrofit

All Lightwave devices are safe and legal to DIY retrofit in your own home

Full Specs - Boiler Switch


9.6 x 2.2 x 9.4 cm





Full Specs - Home Thermostat


9.6 x 2.2 x 9.4 cm


AA Batteries required