Aprilaire – Bypass Humidifier 400M

This water-saving bypass humidifier is a whole-home solution that helps you achieve total comfort though humidity control. Featuring a drain-free operation that eleminates standing water, the model 400 is a perfect choice for homes with septic systems, locations where a floor drain is not available, and locations where water conservation is a concern.

Features

• Minimal water usage
• No drain required
• No standing water
• Provides vital service, temperature and relative indicators
• Humidifies tightly constructed homes up to 4,000 square foot in size
• Has an evaporation capacity of 0.70 gallons per hour

Downloads:

Use & Care Instructions – English

Installation Instructions – English

Wiring Diagrams – English

Specification Sheet – English

Installation Instructions 2 – English

Consumer Literature – English