Genuine Aprilaire 400A Humidifier

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The Aprilaire Model 400 Humidifier is a whole-home solution that helps you achieve total comfort through humidity control. The Model 400 features drain-free operation, eliminating standing water. This makes it the perfect choice for homes with septic systems, locations where a floor drain is not available or homeowners interested in water conservation.


-Minimal water usage
-No drain required
-No standing water
-Delivers optimum levels of humidity control with the Automatic Digital Humidifier Control. You never have to monitor your settings or wait until you feel uncomfortable.
-Provides vital service, temperature and relative humidity indicators in manual mode as well.
-Humidifies tightly constructed homes up to 4,000 square foot in size.
-Digital Automatic Humidistat included
-Has an evaporation capacity of 0.70 gallons per hour.
-Humidifier is built to be completely reversible. Can be installed right side up, as well as upside down
-Dimensions: 18.5 x 17.5 x 11.5
-Weight: 12lbs

  • Factory Authorized Aprilaire Distributor
  • Aprilaire

Features: Reversible
Brand: Aprilaire
Manufacturer Part Number: 400
Assembled Product Weight: 9 lb
Assembled Product Dimensions (L x W x H): 16.00 x 16.00 x 11.00 Inches