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Aprilaire 440 Owner's Manual

This comprehensive owner's manual provides essential information for your Aprilaire 440 whole-house humidifier. Designed by Research Products Corporation, this guide ensures you can effectively operate, maintain, and understand the warranty for your unit.

Key Information Covered:

Principle of Operation: Understand how your Aprilaire humidifier adds moisture to your home.
Operating Instructions: Guidance on setting up and using your humidifier for optimal comfort.
Maintenance: Detailed steps for annual maintenance and periodic checks to ensure peak performance.
Water Characteristics: Information on how water quality affects your unit.
Limited Warranty: Details on the coverage provided by Research Products Corporation.

For continued optimal performance and to ensure the longevity of your Aprilaire humidifier, please refer to the detailed instructions within this manual. For replacement parts or further assistance, visit www.aprilaire.com.

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