Electromechanical flush-mounted room thermostat for controlling or monitoring temperatures in living rooms, offices and hotels. Suitable for all standard switch ranges. Matt black, 55x55 cover with knob. Suitable for water-based and electric heating systems. A very small switching differential is achieved thanks to thermal feedback. Adjustable range restriction in the adjustment knob as a heating cost brake. A captive screw with threaded insert for fastening the housing cover and practical plug-in terminals make installation easier. Installation in 55 mm flush-mounted box.