Introducing the Honeywell Home DT4R Grey Thermostat Spare DTS42GRFST21, engineered to bring together slim, modern design with simple functionality and top of the line features. This thermostat allows for both backward and forward compatibility and is designed to help you and your customers save on energy costs in a more efficient way. The DT4R Wireless Room Thermostats feature an easy-to-use interface with LCD display that’s perfect for at-a-glance monitoring and temperature control. Plus, their sleek modern design is sure to add a sophisticated touch to any home or office space. Just set it up once-DT4R remembers your personal settings and preferences so you don’t have to stay on top of adjustments. So, get ready to enjoy improved comfort and ultimate convenience all year long. You can trust this product will meet all of your needs: it's durable, reliable, powerful yet simple - just like you imagined it would be!

Main product features:

• Application: On/off boiler (230V), Combi boiler, Heat Pump, 2-Port Zone Valve
• Display Functions: Heat, Cool, Eco, Off, Low Battery, Warning
• Alerts and Reminders: Battery Replacement
• Ambient Operating Temperature (Max): 40 °C
• Radio Frequency: ISM 868.0-868.6 MHz