In the dehumidifying mode high humidity conditions will activate fans or other dehumidifying apparatus until level drops approximately 5%. At this point dehumidifying equipment is disabled until humidity increases again 5%.

Switches 120V at 15 amp maximum. Sensor allows a 5% (differential) comfort zone between "on" and "off" functions.

If your humidifier or dehumidifier already has a humidity control, turn it to full on position and set the humidity dial to your minimum desired level. The THC-1 can also be used with many other types of humidity equipment or any other electrically triggered appliances.