The THR870 Programmable thermostat is designed to provide automatic time and temperature control of heating or cooling systems.

  • Easy to install – Simply fix it directly to the wall
  • 7 Day Programmable Thermostat – up to 3 periods per day
  • Easy to use – Backlit display & simple function buttons
  • Easy to program – LoT™ (Line of Text) Display ensures simple operation
  • Precise Temperature Control – typically accurate to within 0.5°C
  • Ideal for Combi-Boilers – two wire, volt free output connections


Buy now

Our products are stocked in many home and DIY outlets across the UK.
Alternatively you can buy this product directly from the following websites.


Honeywell Heating

We have a range of heating controls designed to improve the efficiency of your home heating.

Easy to install and use

Honeywell’s heating products have a great range of features that will allow you to control your heating more efficiently and help save you energy and money. All this is backed up by our 2 year product guarantee.

Instruction Manual