Need to maximize your humidity control with minimal water usage? The Aprilaire Model 400 Humidifier is the solution for you. The Model 400 is a drainless humidifier, featuring evaporative technology to minimize water use. Gravity pulls water down, while the wicking action of the Water Panel® draws it back to the top, using 100% of the water delivered to the unit.
The Aprilaire Model 400 Humidifier features:
• 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.
• Has an evaporation capacity of 0.70 gallons per hour.