Aprilaire Humidifier Automatic

AprilAire 600 Bypass Whole-House Humidifier with Automatic Digital Control

The AprilAire 600 is a duct-mounted bypass humidifier designed for whole-house applications. This unit integrates directly with a forced-air HVAC system and utilizes a built-in bypass damper to deliver controlled moisture throughout the air distribution network. Its high-capacity design supports larger homes and is equipped with an automatic digital humidistat for precise operation.

System Features

• Evaporation Rate: Up to 0.70 gallons per hour
• Coverage Area: Suitable for homes up to 4,000 square feet (based on system performance and construction variables)
• Control Interface: Automatic digital humidistat with outdoor temperature sensor for seasonal adjustment
• Bypass Configuration: Integrated manual damper with labeled settings for seasonal operation
• Water Feed Method: Connected directly to a household water supply
• Drainage: Continuous drain line connection required for proper operation

Construction & Design

• Housing: Thermoplastic cabinet with easy-access panels for maintenance
• Humidifier Pad: Replaceable water panel (#35) with large surface area for optimal moisture transfer
• Orientation: Can be installed on either supply or return ductwork with right or left bypass configuration

Installation Overview

The AprilAire 600 is intended for installation on the supply or return side of a central HVAC system. It requires integration with the system's blower operation, proper placement of the outdoor temperature sensor, and electrical connection to the digital controller. This unit is best installed by a licensed HVAC technician to ensure compatibility, correct bypass configuration, and reliable long-term operation.

Professional Applications

Recommended for use in residential environments with variable humidity demands. The AprilAire 600 provides efficient moisture control without needing a fan-powered system and is ideal for contractors seeking a straightforward solution for large home installations.