The Vaillant vSmart 0020197226 Combi Boiler smart thermostat is a programmable device with a 7-day schedule, designed for controlling central heating radiators. Made of durable plastic in a sleek white colour, this wall-mounted thermostat features digital control style and a temperature sensor for accurate readings. With its programmability and digital display, this Vaillant product offers convenient and efficient heating management for your home. Perfect for those looking to save energy and stay comfortable throughout the year.