Imagine a room thermostat
...with a slim, modern design.
...that’s designed for compatibility
...and supports greener energy systems.
The Honeywell Home DT4 Room Thermostats: Where functionality meets elegance
Designed for installers. Made for users.
DT4 Room Thermostats combine slim, modern design with simple functionality. They’re designed to be easy to use, with features that are easy to love.
Designed for compatibility.
DT4 Room Thermostats are designed to work with on/off and OpenTherm® compatible heating and cooling appliances, such as boilers, heat pumps and district heating systems. Featuring both wired and wireless versions, they're designed to suit a variety of homes, and for a multitude of system applications.
Supporting greener energy systems.
DT4 Room Thermostats can be installed as a standalone thermostat or part of a wider home comfort solution with products such as the HCC100 underfloor multi-zone controller. DT4 Room Thermostats are compatible with a range of hybrid and greener energy systems and energy-efficient solutions.
The only thermostat you need
As the first point of contact for homeowners, installers know exactly what features household appliances should have. That’s why we listened to feedback from professionals when developing the DT4 Room Thermostats, to ensure they deliver everything you and your customers need – just like you imagined.
The DT4 range
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REFERENCE NUMBER |
DT40WT20 (white)
DT40GT21 (grey) DT40BT22 (black) |
YT42WRFT20 (white) YT42GRFT21 (grey) YT42BRFT22 (black) |
DTS42WRFST20 (white) DTS42GRFST21 (grey) DTS42BRFST22 (black) |
COLOUR OPTIONS |
White, Grey, Black | White, Grey, Black | White, Grey, Black |
HEAT/COOL |
yes | yes | yes |
BATTERY |
YES (included) | YES (included) | YES (included) |
BATTERY LIFE** |
3.5 years | 1.5 years | 1.5 years |
HONEYWELL HOME PRODUCT COMPATIBILITY |
⸺ | BDR91A | evohome, ST9000 Timer range, HCC100, BDR91A, HCE80, HCC80 |
APPLIANCE COMPATIBILITY*** |
Boilers, heat pumps, zone valves, underfloor controls, solid fuel boiler, electric heater | Boilers, heat pumps, zone valves, underfloor controls, solid fuel boiler, electric heater, replacement market | Zoning, underfloor controls, replacement market |
WARRANTY**** |
5 years | 5 years | 5 years |
**Battery life estimated on 10 interactions a day for 5 seconds per interaction.
***Compatibility with common appliances that support OpenTherm® or on/off control. Compatibility with heat pumps based on commonly used heat pump performance profiles in 2023.
****See terms at https://www.resideo.com/emea/en/5-year-warranty-policy/.
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