THR810 Cylinder Thermostat
A water temperature thermostat designed for surface mounting on domestic hot water cylinders.

Supplied complete with mounting strap for easy installation. Draining the system or tapping the cylinder is not necessary.

  • Secure Setting – Flush mechanism prevents accidental changes to temperature
  • Energy Savings – Suitable for use on uninsulated and foam lagged cylinders – maintains hot water in your cylinder without unnecessarily starting the boiler
  • Accurate sensing element – Senses water temperature in storage cylinders and water pipes and provides you with temperature control
  • Easy to install – easily accessible wiring terminals and installation manual included


Buy now

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


Honeywell Home Heating

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

Easy To Install

Honeywell Home heating control 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.

User guide & Instruction manual