Aprilaire 500

Aprilaire® 500 Automatic Bypass Humidifier with Digital Humidistat and Extra Water Panel, 12 gpd, 3 gph Water Feed


Manufacturer part number:



Aprilaire® 500 Bypass Humidifier, Automatic, 12 gpd, 24 V, 0.5 A, 60 Hz, 3 gph Water Feed, 0.5 gph Evaporative, 9-1/2 Inch W x 9-1/2 Inch H Plenum Opening, 6 Inch Dia Duct, 13 Inch H x 15-5/8 Inch W x 10-1/4 Inch D, Includes: Saddle Valve, 24 VAC Transformer and Built-In Damper
  • Delivers optimum levels of humidity control with the automatic digital humidifier control
  • Provides vital service, temperature and relative humidity indicators in manual mode as well
  • Humidifies tightly constructed homes up to 3000 sq-ft in size
  • Performs quietly with simple annual maintenance
  • Comes equipped with a drain to flush minerals from the unit
  • Incorporates easy right or left discharge change over
  • Has an evaporation capacity of 0.50 gph

Products specifications
Attribute nameAttribute value
Dimensions13 Inch H x 15-5/8 Inch W x 10-1/4 Inch D
Duct Size6 Inch Dia
Electrical Ratings24 V, 0.5 A, 60 Hz
Evaporative Rate0.5 gph
ManufacturerResearch Products Corporation
Nominal Capacity12 gpd
Plenum Opening9-1/2 Inch W x 9-1/2 Inch H
Water Feed Rate3 gph