CE Certified. Wall thermostat for underfloor heating. Recessed mounting. This thermostat installs into a standard wall box, fitting anywhere globally. It's suitable for electronic underfloor heating and other electric heating elements. Easy to Use: Turn on with the push button, then adjust the floor temperature by turning the knob. This manual thermostat for electric underfloor heating controls the floor temperature and the operation of the underfloor heating system. LED Indicator: This electric underfloor heating thermostat features an LED indicator for easy monitoring of the underfloor heating system's operation. When the LED light is on, it indicates heating. 3m NTC External Floor Sensor: This mechanical room thermostat includes an external 3m temperature sensor to detect the underfloor heating system's temperature, ensuring more accurate and straightforward temperature control. 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.