Wall-embedded electronic chrono-thermostat with weekly programmable function. Connection to the general power supply of the building. Users can set 3 different temperatures at different times of the day. Antifreeze operates even if the device is OFF. - Power supply: 230 Vac 50/60 Hz - Summer/winter operation - ON-OFF and proportional control - Antifreeze operation even in OFF mode - Cover plates: white/anthracite grey