Thermostat for cooling & heating with weekly programming

The Siemens REV24 space thermostat is a digital space thermostat for heating or cooling. 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 controller with self-adjusting and PID control. Control with PID (Proportional integral derivative) algorithm: can predict the time at which the temperature will reach the desired value in advance and activate the heating (solenoid valve or burner) so that the room temperature becomes equal to the desired temperature. Control of a heating zone. "Economy", "Comfort", "Auto" and "Party" programs. 7-day automatic operation up to 3 heating or cooling periods. Exceptionally day (24 hour operation) up to 3 heating seasons. Weekly planning. Automatic functions with timers. Protection function if the temperature drops below 5?C. Overheating function. Large LCD screen: easy-to-read screen for easy operation and operation, with desired or actual temperature readings. Dealer warranty: 2 years