Honeywell Home T3R Wireless Smart Thermostat Kit – 7-Day Programmable Wall Thermostat with Intuitive Controls – 868 MHZ – Large Backlit Display, Flexible Scheduling & Compatibility

Price: £74.99
(as of May 27, 2026 19:01:09 UTC – Details)

From the manufacturer

T3R 7 Day Programmable Thermostats

This modern, affordable, feature-rich and fully programmable thermostat has been created with your comfort in mind. The T3R is designed to provide automatic time and temperature control of heating systems in homes and apartments.

T3R saves energy — the advanced Honeywell Home TPI self-learning algorithm ensures boiler control will be more efficient than ever before.

Easy to use with precise temperature control, these thermostats make boilers operate more efficiently. They feature contemporary design, clear, backlit temperature displays visible from a distance, and large temperature buttons that are easy to touch. All this and a simple programming philosophy make them easy to install and extremely user friendly.

T3R is completely wireless, consisting of a wireless thermostat and a wireless receiver box. It is possible to place the wireless thermostat anywhere in your home (includes table stand), while the wireless receiver box can be wired directly to your boiler — no wires needed between the thermostat and your boiler. (2x AA batteries to power the thermostat included).

This thermostat is compatible with 24-230V on/off appliances such as gas boilers, combi boilers and heat pumps. It also works with zone valve applications. (Electric heating 240V excluded.)

Flexible Programming to suit you

Pre-programmed, adjustable energy saving scheduling options including 7 days programming, 6 periods to suit comfort needs, easy to program holiday mode, or simple touch 1+hour boost schedule override.

Automatic time clock adjustment for daylight saving time (DST).

Energy Saving ECO Mode

Utilises an advanced, self-learning algorithm for intelligent heating control, ensuring more efficient boiler control than ever before.

Boiler plus compliant.

User-Friendly

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.

Suitable Uses

Standard & combi boilers (ON/OFF); under-floor heating, zone valves.

Heating only (24 — 230V ~ 5(3)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.

Built-in back plate; wall bracket / table stand

Easy two wire installation option.

Battery powered thermostat (2xAA batteries included with 2 years lifespan.

Backlit, 5x soft grey keys, rectangular shape, sleek contemporary design which blends seamlessly into any home décor.

T3

T3R

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Connection Type
Wired Wireless

Display Size
XL, 30 x 65 (display) XL, 30 x 65 (display)

Mains/battery
Thermostat battery powered by 2 x AA (LR6) alkaline cells Thermostat battery powered by 2 x AA (LR6) alkaline cells. Relay box requires permanent mains power supply 230 V, 50…60Hz, 5(3)A

Programmable
7D Programmable, Digital, Battery powered, Heating 7D Programmable, Digital wireless, Battery powered, Heating

Modes: Holiday/Boost, Intuitive display, Large soft Keys, Sleek Design, Self-Learning (TPI) 6 Periods, Backlit, Boiler Plus Compliant Modes: Holiday/Boost, Intuitive display, Large soft Keys, Sleek Design, 6 Periods, Backlit, Boiler Plus Compliant

Versatile Compatibility – Compatible with 24-230V on/off and OpenTherm systems, including gas boilers, combi boilers, and heat pumps. This smart thermostat for combi boilers is super easy to install.
Customisable 7-Day Scheduling – Configure up to 6 independent heating periods per day with this wireless boiler control thermostat. Includes a pre-configured schedule for added convenience and automatic time clock adjustment.
User Friendly Digital Display – Features a large backlit screen showing current and target temperatures, along with helpful mode and status icons. This wireless room thermostat ensures easy readability.
Energy-Saving Features – Battery-operated (2AA included), featuring ECO mode, automatic time adjustment, and optimised TPI learning. These features help this smart heating thermostat reduce energy waste and lower heating bills.
Secure Yet Simple – User-friendly interface is easy to program, with lock options to prevent tampering in public spaces. With its compact design this digital thermostat for central heating is suitable for various locations and comes with a 2 year warranty.

Product summary

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