Main function:1.ON-OFF switch 2.3-speed switch 3.Heating-cooling switch Application:central air conditioner,heating and cooling temperature control,with different wire connection option and operation mode.Temperature control range:10-30Rated power supply:220-240V/50-60HzMax load:6ASensor:gas filled sylphonThe main function:1.ON-OFF awitch2.3-speed switch3.Electric valve controlled by thermostat ...