Space thermostat with normal / reduced temperature selection, automatically

The Siemens RDD100.1 space thermostat is an electronic space thermostat for heating. It can be used in residential buildings, apartments, commercial spaces or industrial buildings, in combination with zone valves, thermal valves, gas or oil burners, fans and pumps, in order to maintain the selected room temperature. The temperature is regulated by the front of the unit, with the highest possible accuracy. Features: 2-position control with on / off heating output. "Economy" and "Comfort" programs. Protection function if the temperature drops below 5?C. Large LCD screen: easy-to-read screen for easy operation and operation, with desired or actual temperature readings. Dealer warranty: 2 years