Wheel thermostat for home automation for room temperature control (heating and air conditioning), manages 2 and 4 pipe systems with 3-speed and proportional fan-coil control, class I temperature control device (1% contribution) in ON mode /OFF, class IV (2% contribution) in PID mode, interfaceable with actuator with proportional analog outputs 01466.1 to create a class V modulating room thermostat (3% contribution), 1 input for wired temperature sensor 02965.1, backlighting white LED, white with 2 modules.