CE Certified. Wall thermostat for underfloor heating. Built-in mounting. This thermostat is mounted on the wall in a standard backbox that fits anywhere in the world. Suitable for electric underfloor heating and other electric heating elements. Easy to use. Press the button and adjust the floor temperature by turning the knob. This manual thermostat for electric underfloor heating is used to control floor temperature and the operation of the underfloor heating system. LED Indicator. This electric underfloor heating thermostat has an LED indicator that allows you to easily check if the underfloor heating system is working or not. When the LED light is on, it indicates that it is heating up. 3m NTC external floor sensor. This mechanical room thermostat has an external 3m temperature sensor to detect the temperature of the underfloor heating system, making temperature control more accurate and convenient. Specifications: 220V~240VAC 16A 50/60Hz; Temperature Range: 5~40; Temperature Difference: 0.5; Protection Class: IP20. Package: 1*thermostat, 1*3m floor sensor, 2*mounting screws, 1*English user manual.