The Day & Night Humidifier Controller is made by Global Air Supplies and is one of three Day & Night environmental controllers. Use this version with your existing humidifier. Use the dials to set specific humidity for day and night.

By Plugging a humidifier into the Day & Night Humidifier controller you are able to regulate a humidifier by switching it on and off. Set your desired day time humidity and your night time humidity. The controller will then switch your humidifier on and off to achieve the input settings. Remember this controller can only be used for the addition of humidity. To dehumidify use Global Air Supplies Day Night dehumidifier controller.

Humidifier Control Instructions V3