Aprilaire 550
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Earl's Heating & Air Conditioning Inc.
Trane Comfort Specialist™

 

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The Model 550 bypass humidifier is our economy unit designed for smaller homes. This unit utilizes a manual humidifier control that can be installed in the living area or on the furnace ductwork. Along with all other models (except model 448) it is equipped with a drain to flush minerals from the system. The model 550 has an evaporative capacity of 0.50 gallons per hour and can handle up to 3,000 square feet if the home is tightly constructed.

These two humidifiers are completely self-contained units designed especially for installation in homes with radiators or baseboard heat. Equally suited for other types of heat, they are sized to fit within closets, heated crawl spaces and basements. These humidifiers have an evaporative capacity of 0.50 gallons per hour and are able to handle a home of up to 4,500 square feet, if the home is tightly constructed.

Model 700 Owners Manual

 


 

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