Fan Coil Thermostat Analog Electronic Thermostat Switch Type Triac Switch Action Open/Close on Rise Number of Switches 6 Thermostat Control Range 50 Degrees to 90 Degrees F Differential (Deg. F) 1 Thermostat Heating/Cooling Heating/Cooling Thermostat Number of Pipes 2 or 4 Thermostat Number of Speeds 3 Fan Switching Hi-Med-Low System Switching Heat-Off-Cool Sensor Type Thermistor 2 13/16 in 4 1/2 in 1 in