Aprilaire® 400 Bypass Humidifier, Automatic, 17 gpd, 24 V, 0.5 A, 60 Hz, 3 gph Water Feed, 0.7 gph Evaporative, 10 Inch W x 12-3/4 Inch H Plenum Opening, 6 Inch Dia Duct, 15-3/4 Inch H x 15-3/8 Inch W x 10-1/4 Inch D
- 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 4000 sq-ft in size
- Has an evaporation capacity of 0.70 gph
