• Wired programmable thermostat designed for controlling central heating and cooling systems. • Compatible with combi gas boilers, oil boilers, and heat pumps. • Simple two-wire connection and operation via two AA batteries. • Allows choosing between hysteresis or TPI control algorithms to improve energy efficiency. • Flexible programming with 6 time and temperature change points for each day of the week. • Includes special functions such as holiday mode, party mode, and a hidden button panel. • Complies with Boiler Plus regulations thanks to its self-learning algorithm. • 5-year manufacturer's warranty.