Electronic flush-mounted room temperature controller for controlling or monitoring temperatures in living rooms, offices and hotels. Suitable for all common switch programs. Polar white glossy, 55x55 cover with button. Suitable for water-guided heating systems. By using a triac switch completely noiseless, in contrast to relays or bimetallic. Can be switched for actuators closed without current or closed without current, therefore can be used for heating or cooling. Adjustable range restriction in the adjustment knob as heating cost brake. A captive screw with threaded insert to secure the housing cover and convenient plug-in terminals make it easy to install. Mounting in 55er flush-mounted socket.This text is machine translated.