Honeywell Home DT4 White Wired Room Thermostat | DT40WT20 On/Off Digital Heating Control
The Honeywell Home DT4 White Wired Room Thermostat DT40WT20 is a slim, modern digital thermostat for precise room temperature control in homes and apartments. Featuring a large clear LED segment display with energy-efficient auto-off and simple wake-up button, it delivers reliable performance with contemporary styling.
Key Features
- Energy-saving LED display automatically dims when not in use to extend battery life.
- Backlit touch buttons for easy operation in all lighting conditions.
- Built-in eco offset reduces temperature for set periods to save energy.
- Fuzzy logic control optimises boiler cycling for accurate temperature maintenance.
- Compatible with hybrid systems including heat pumps, zoning, underfloor heating, and zone valves.
- Frost protection maintains minimum 5 °C when off to prevent pipe freezing.
Why Choose Honeywell Home DT4 White?
Combines modern aesthetics with proven reliability, offering simple user operation alongside advanced energy-saving features and wide system compatibility.
ErP Class IV (+2%) rating meets current heating control efficiency standards with 5-year installer warranty option.
Suitable For
- Gas boilers, combi boilers, heat pumps (24-230 V on/off control).
- Zone valve systems and multi-zone heating applications.
- New builds and replacements requiring wired wall-mounted thermostats.
Technical Specifications
- Brand: Honeywell Home by Resideo
- Model: DT4 White Wired Room Thermostat
- MPN: DT40WT20
- GTIN: 5059085002619
- Control Type: On/Off (24-230 V)
- Power Supply: 2 x AA batteries (included)
- Battery Life: Approx. 3.5 years
- Set Point Range: 5 °C to 35 °C
- Display Range: 0 °C to 40 °C
- Sensor Type: 10k NTC @ 25 °C
- Switching Capacity: 3 A resistive, 1 A inductive
- Switch Type: SPDT
- ErP Class: Class IV (+2 %)
- Dimensions: 101 x 101 x 23 mm (HxWxD)
- Weight: 0.245 kg
- Terminals: Up to 2.5 mm²
- Warranty: 2 years standard (5 years installer option)
Installation & Operation
Wall-mounted wired installation with flip-up wiring platform for simple connection. User-friendly menu for heating/cooling selection, eco settings, and frost protection. Installer configuration includes cycle rate, limits, and system commissioning options.
Original: $52.64
-65%$52.64
$18.42More Images
Honeywell Home DT4 White Wired Room Thermostat | DT40WT20 On/Off Digital Heating Control
The Honeywell Home DT4 White Wired Room Thermostat DT40WT20 is a slim, modern digital thermostat for precise room temperature control in homes and apartments. Featuring a large clear LED segment display with energy-efficient auto-off and simple wake-up button, it delivers reliable performance with contemporary styling.
Key Features
- Energy-saving LED display automatically dims when not in use to extend battery life.
- Backlit touch buttons for easy operation in all lighting conditions.
- Built-in eco offset reduces temperature for set periods to save energy.
- Fuzzy logic control optimises boiler cycling for accurate temperature maintenance.
- Compatible with hybrid systems including heat pumps, zoning, underfloor heating, and zone valves.
- Frost protection maintains minimum 5 °C when off to prevent pipe freezing.
Why Choose Honeywell Home DT4 White?
Combines modern aesthetics with proven reliability, offering simple user operation alongside advanced energy-saving features and wide system compatibility.
ErP Class IV (+2%) rating meets current heating control efficiency standards with 5-year installer warranty option.
Suitable For
- Gas boilers, combi boilers, heat pumps (24-230 V on/off control).
- Zone valve systems and multi-zone heating applications.
- New builds and replacements requiring wired wall-mounted thermostats.
Technical Specifications
- Brand: Honeywell Home by Resideo
- Model: DT4 White Wired Room Thermostat
- MPN: DT40WT20
- GTIN: 5059085002619
- Control Type: On/Off (24-230 V)
- Power Supply: 2 x AA batteries (included)
- Battery Life: Approx. 3.5 years
- Set Point Range: 5 °C to 35 °C
- Display Range: 0 °C to 40 °C
- Sensor Type: 10k NTC @ 25 °C
- Switching Capacity: 3 A resistive, 1 A inductive
- Switch Type: SPDT
- ErP Class: Class IV (+2 %)
- Dimensions: 101 x 101 x 23 mm (HxWxD)
- Weight: 0.245 kg
- Terminals: Up to 2.5 mm²
- Warranty: 2 years standard (5 years installer option)
Installation & Operation
Wall-mounted wired installation with flip-up wiring platform for simple connection. User-friendly menu for heating/cooling selection, eco settings, and frost protection. Installer configuration includes cycle rate, limits, and system commissioning options.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Honeywell Home DT4 White Wired Room Thermostat DT40WT20 is a slim, modern digital thermostat for precise room temperature control in homes and apartments. Featuring a large clear LED segment display with energy-efficient auto-off and simple wake-up button, it delivers reliable performance with contemporary styling.
Key Features
- Energy-saving LED display automatically dims when not in use to extend battery life.
- Backlit touch buttons for easy operation in all lighting conditions.
- Built-in eco offset reduces temperature for set periods to save energy.
- Fuzzy logic control optimises boiler cycling for accurate temperature maintenance.
- Compatible with hybrid systems including heat pumps, zoning, underfloor heating, and zone valves.
- Frost protection maintains minimum 5 °C when off to prevent pipe freezing.
Why Choose Honeywell Home DT4 White?
Combines modern aesthetics with proven reliability, offering simple user operation alongside advanced energy-saving features and wide system compatibility.
ErP Class IV (+2%) rating meets current heating control efficiency standards with 5-year installer warranty option.
Suitable For
- Gas boilers, combi boilers, heat pumps (24-230 V on/off control).
- Zone valve systems and multi-zone heating applications.
- New builds and replacements requiring wired wall-mounted thermostats.
Technical Specifications
- Brand: Honeywell Home by Resideo
- Model: DT4 White Wired Room Thermostat
- MPN: DT40WT20
- GTIN: 5059085002619
- Control Type: On/Off (24-230 V)
- Power Supply: 2 x AA batteries (included)
- Battery Life: Approx. 3.5 years
- Set Point Range: 5 °C to 35 °C
- Display Range: 0 °C to 40 °C
- Sensor Type: 10k NTC @ 25 °C
- Switching Capacity: 3 A resistive, 1 A inductive
- Switch Type: SPDT
- ErP Class: Class IV (+2 %)
- Dimensions: 101 x 101 x 23 mm (HxWxD)
- Weight: 0.245 kg
- Terminals: Up to 2.5 mm²
- Warranty: 2 years standard (5 years installer option)
Installation & Operation
Wall-mounted wired installation with flip-up wiring platform for simple connection. User-friendly menu for heating/cooling selection, eco settings, and frost protection. Installer configuration includes cycle rate, limits, and system commissioning options.
