| The ET300 series room thermostats provide on/off control, 3-speed fan switch, consistent performance and contemporary styling. The series controls a variety of two-pipe and four-pipe fan coil systems as well as other heating and cooling applications. Operating Differential: Approximately 1K Range: 10℃…30℃ Sensing Element: NTC 10k ohm Housing Materials: Self-extinguishing, molded ABS Thermostat: 1A cooling, 1A heating Switches: 6A resistive, 4A inductive Shipping weight: 120g |