This is a simple electronic analog thermostat with possible to be installed directly on the wall. The analog thermostat have one button for adjusting the temperature and for OFF mode, and another switch for summer mode and winter mode selection. It is widely used to control thermal actuator or gas boiler at underfloor heating system at residential buildings, apartments and commercial spaces.  •       Convenient Knob Operation •       Heat Mode & Cold Mode •       Non-programmable •       Frost protection ( set to OFF)