Toggle Nav

FREE DELIVERY on all orders over £50*

fast delivery
FREE DELIVERY over £50*
fast delivery
fast delivery
Click & Collect from Stores
fast delivery
PayPal Interest Free

Honeywell Home T3 Hard Wired Boiler Plus Thermostat

(2 reviews)
£55.38 £46.15
In stock
170 Available for Delivery
Select your local store for Stock Availability.
age verification

This product can only be sold to customers over 18 years of age and we will require your date of birth on your account at checkout.

+ -

The Honeywell Home T3 Hard Wired Boiler Plus Thermostat is designed for a wide range of applications, including social housing, new builds, and large-scale installations, making them the top choice for heating professionals. Easy to install, the T3 Series is fully compatible with various boilers and systems. Its user-friendly programming and control features make it a favorite among customers as well.

  • Hard wired version
  • Large screen with clear icons and simple controls
  • Temperature and date/time displayed on the screen
  • 7-day or 5/2-day scheduling, with a pre-configured schedule included
  • Option for up to 4 time periods per day and a "copy day" feature
  • 12-hour or 24-hour clock settings
  • Schedule restoration and factory reset capabilities
  • Backlit display
  • Built-in memory to retain programs indefinitely
  • Compatible with 24–230V on/off and OpenTherm appliances, including gas boilers, combi boilers, and heat pumps
  • Temperature measurement can be adjusted to accommodate thermostat positioning
  • Minimum on-time and cycle rate settings to ensure compatibility with a wide range of boilers
  • Lockable to prevent unnecessary customer adjustments in public areas
  • Upper and lower set points to prevent setting extreme temperatures.
 
 
 
Read more
Manufacturer

Honeywell Home, By Resideo

MPN

T3H110A0066

SKU

78817

GTIN

5025121380553

Product Item Type

Room Thermostat

Manufacturers Warranty

1 Year (Subject to Manufacturers T&C's)

Gross Weight inc Packaging (KG)

0.4

Weight (KG)

0.000000

Customer Questions
In what ways do heating controls work with heating systems that are already in place?

Boilers and heat pumps are among the heating systems that heating controls are made to operate with. Verify compatibility while adding controllers by consulting the system specifications. Effective temperature control and energy management are made possible by proper integration, which permits heat to be used only where it is required.

What is the difference between wireless RF and smart Wi-Fi heating controls?

RF (Radio Frequency) Heating Controls operate without an internet connection and use radio frequency signals to transmit information between the thermostat and the boiler or receiver unit. An RF heating control offers manual control for temperature settings and schedules. It is suitable for users who prefer a simple system without relying on technology. A Smart (Wi-Fi) Heating control uses the internet and enables advanced features like remote control, geofencing, etc. via apps. It appeals to users who value convenience, energy savings, and smart home integration. When suggesting controls to customers, consider both the possibility of long-term energy savings and their degree of familiarity with technology.

Does installing heating controls require a professional?

Although competent DIY enthusiasts may install some basic heating controls, it is best to have plumbers and installers do the work. Experts guarantee correct wiring, configuration, and calibration, reducing the possibility of problems later. You may also give consumers helpful advice on how to maintain their heating system and operate the controls efficiently.

Please mind that only logged in users can submit questions.
Helpful tools
MRCH BTU calculator BTU Calculator
MRCH find an installer Find an Installer