Williams Furnace Company 400-1 Thermostat for Electric Heat Air Curtains
This Williams Thermostat is designed specifically to work with Williams Electric Heated Air Curtains. It will activate the heater and fan when the thermostat calls for heat. Simply turn the dial to your desired heater temperature from 50Â°F to 90Â°F. Dial also shows temperature settings in centigrade from 10Â°C - 32Â°C.