T3 7 Day Programmable Wired Thermostat

A modern, affordable, fully-programmable and feature-rich thermostat. The T3 is designed to be the easiest to use and install thermostat on the market. Perfect for those who prefer to control their comfort in the simplest way. The T3 is battery-powered, with a 2-year battery lifespan. Wall bracket is included, making replacing your current thermostat easy and hassle-free.

T3 White

Programmable Thermostats

A programmable thermostat allows you to choose exactly when you want the heating on, and how high or low the temperature should be. Set different temperatures at multiple times throughout the day to meet your lifestyle needs.

T3 White

Flexible programming

Factory pre-programmed scheduling options include 7 day programming, 6 periods to suit comfort needs, easy to program holiday mode, and simple touch 1+hour boost schedule override.

Energy Saving

Utilizes an advanced, self-learning algorithm for intelligent heating control, ensuring more efficient boiler control than ever before. Boiler plus compliant.

Ease of use

Intuitive user interface, large, clear display with backlight for easier viewing in all light conditions, simple large symbols, and off/manual/auto modes at the touch of a button.


Standard & combi boilers (On/Off); under-floor heating, zone valves. Heating only (24 — 230V ~ 3(1)A).


Lock feature, preventing unwanted/unauthorised interaction, frost protection function (so that pipes in the house will never freeze), and automatic time clock adjustment for seasonal changes.

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.


Easy To Install and easy to use

Honeywell Home’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.

User guide & Instruction manualDeclaration of Conformation