The Aprilaire Model 500 Whole-House Humidifier features a built-in bypass damper and is designed for use in small to mid-size homes with automatic digital control for premium performance and convenience.
The Aprilaire Model 500 Whole-House Humidifier:
Installed in central heating and cooling system ductwork.
Comes equipped with a drain to flush minerals from the unit
Has an evaporation capacity of 0.50 gallons per hour
Humidifies tightly-constructed homes up to 3,000 square feet in size