The Landis & Gyr RWB2 heating and hot water time clock time switch is a programmable thermostat that offers 2 periods per programmable day. With a classic control style featuring dial and rotary knob, this analog/mechanical device is designed for efficient heating and hot water control. The mini size and white colour make it a stylish addition to any home, while its 5-wire wire configuration ensures easy installation. Perfect for those looking for a reliable and user-friendly heating solution.