The Worcester MT20RF is a programmable mechanical room thermostat designed to wirelessly control the heating schedule of Worcester Bosch Greenstar boilers. It comprises two components: a wall-mounted transmitter and a receiver unit that communicates wirelessly with the boiler.

Key Features:

• Programmable Heating Control: Allows users to set different temperatures for day and night periods, providing flexibility to match heating needs throughout the day. ​Mechanical Display: Features a straightforward mechanical interface for setting heating start and stop times, ensuring ease of use without complex digital menus. ​

• Wireless Communication: The transmitter and receiver communicate wirelessly, eliminating the need for direct wiring between the thermostat and the boiler, simplifying installation. ​

• Wall-Mounted Installation: Designed to be mounted on the wall, allowing convenient access and control of the heating system without the need to access the boiler itself. ​

• Compatibility: Specifically designed for use with Worcester Bosch Greenstar Lifestyle boilers, ensuring optimal performance and integration. ​

The MT20RF is ideal for homeowners seeking a reliable and user-friendly solution to manage their heating schedules wirelessly, enhancing comfort and energy efficiency.