Quick Overview

The Aprilaire 500M 24V Manual Bypass Whole-House Humidifier is an economical unit that is designed for use in smaller homes. The Aprilaire 500M 24V Manual Bypass Whole-House Humidifier replaces Aprilaire 550. The Aprilaire 500M 24V Manual Bypass Whole-House Humidifier features a manual humidistat, and is designed with ease of service in mind. The Aprilaire 500M 24V Manual Bypass Whole-House Humidifier has an evaporative capacity of 1/2 a gallon per hour and can handle a home that is up to 3,000 square feet if tightly constructed. The Aprilaire 500M 24V Manual Bypass Whole-House Humidifier also has the smallest "footprint" of the long line of Aprilaire humidifiers, and requires a plenum opening of only 9.5" x 9.5". The Aprilaire 500M 24V Manual Bypass Whole-House Humidifier can be installed on the supply duct work or return. The discharge of the Aprilaire 500M 24V Manual Bypass Whole-House Humidifier is reversible for left or right side orientation. The Aprilaire 500M 24V Manual Bypass Whole-House Humidifier features a built in integral damper to close the bypass during the summer months.