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Honeywell Home DT4R Grey Wireless Room Thermostat (DTS42GRFST21)

Product Overview

Introducing the Honeywell Home DT4R Room Thermostat: The Smart Choice for Efficient Temperature Control

The Honeywell Home DT4R room thermostat is an ideal addition to your Honeywell Home Evohome system. Its sleek and modern design offers easy and reliable temperature control with an intuitive interface and a large LED display that makes it even more convenient.

Moreover, the DT4R is designed to work seamlessly with a range of energy-efficient solutions. It is compatible with 24-230 V On/Off appliances such as gas boilers, combi-boilers, and heat pumps. It also integrates with smart devices such as the Honeywell Home Evohome and the HCC100 Underfloor Multi-Zone Controller.

Additionally, the DT4R comes in both wired and wireless versions, making it suitable for almost any setup. It is also backward compatible with existing Honeywell Home RF products and supports OpenThermĀ® appliances, adding to its flexibility.


Honeywell Home DT4R Room Thermostat Features:

The Honeywell Home DT4R room thermostat is a versatile heating control option. It is compatible with a wide range of heating systems, including conventional and combi boilers. Its LED-based display is energy-efficient and easy to read, with the ability to turn off when not in use.

Furthermore, the thermostat integrates with smart devices such as the Honeywell Home Evohome and the HCC100 Underfloor Multi-Zone Controller, expanding its capabilities. Its backlit, captive touch buttons make it easy to use, and the built-in eco-mode lowers room temperature for a set time period to reduce energy consumption.

In addition, the thermostat features a boost mode that increases room temperature for a set time period when needed. Its backward and forward compatibility, including support for OpenThermĀ® technology, adds to its flexibility and convenience.

In summary, the Honeywell Home DT4R room thermostat is the perfect solution for efficient temperature control. With its sleek design, easy-to-use interface, and compatibility with a range of energy-efficient solutions, it’s the smart choice for any home.

Honeywell Home DT4 BrochureĀ 

Honeywell Home DT4 Product Data


Application On/off boiler (230V), Combi boiler, Heat Pump, 2-Port Zone Valve
Approvals and Standards EMC: 2014/30/EU, LVD: 2014/35/EU, R&TTE: 1995/5/EC
Display Functions Heat, Cool, Wireless Signal, Eco, Off, Low Battery, Warning
Modes of Operation Heating, Cooling
Alerts and Reminders Battery Replacement
Power Supply Thermostat: Powered by 2 X AA Batteries
Radio Frequency ISM 868.0-868.6 MHz
Radio Frequency Transmitting Range (Max) 30 m in residential building environment
Color Grey
Sensor Type 10k (@25 Ā°C) NTC thermistor
Ambient Operating Temperature (Max) 40 Ā°C
Ambient Operating Temperature (Min) 0 Ā°C
LED Functions Communication with thermostat, Binding mode, Delete binding
ErP Class Class V (+3 %)
Control Functions Fuzzy Logic
Cycle Rate Selectable by application
Set point Temperature (Max) 35 Ā°C
Set point Temperature (Min) 5 Ā°C

If you have any questions about the Honeywell Home DT4R Wireless Room Thermostat, please feel free to Contact Us.


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