Aprilaire 4405 Float Cover

The Aprilaire 4405 Humidifier Float Cover will act as a guide to keep the two float assemblies (model 4406) in place when they rise and drop. With the Aprilaire 400 Humidifier, this system will give the optimum amount of humidity to always protect the furnishings in your home from the damaging effects of low humidity or excess condensation during the heating season. The control of this humidifier eliminates the need to manually adjust the control when the outdoor temperature changes. The Aprilaire 4405 Float Cover is designed for use with Aprilaire Models 400, 400A, 400M and 600 Humidifiers.