Versatile Compatibility - Compatible with 24-230V on/off and OpenTherm systems, including gas boilers, combi boilers, and heat pumps. This smart thermostat for combi boilers is super easy to install. Customisable 7-Day Scheduling - Configure up to 6 independent heating periods per day with this wireless boiler control thermostat. Includes a pre-configured schedule for added convenience and automatic time clock adjustment. User Friendly Digital Display - Features a large backlit screen showing current and target temperatures, along with helpful mode and status icons. This wireless room thermostat ensures easy readability. Energy-Saving Features - Battery-operated (2AA included), featuring ECO mode, automatic time adjustment, and optimised TPI learning. These features help this smart heating thermostat reduce energy waste and lower heating bills. Secure Yet Simple - User-friendly interface is easy to program, with lock options to prevent tampering in public spaces. With its compact design this digital thermostat for central heating is suitable for various locations and comes with a 2 year warranty.