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#58 Aprilaire Automatic Digital Humidifier Control
Aprilaire # 58 Automatic Digital Humidifier Control
- For use with Aprilaire model 110, 112, 220, 224, 400, 440, 445, 445A, 448, 500, 550, 558, 560, 560A, 568, 600, 700, 760, 760A and 768.
- Includes Control, Outdoor Sensor, Manual Mode Resistor, Manual Mode Sticker, Installation Instructions and Owners Manual.
- New lighted display includes indoor relative humidity readout, service indicator light, water panel change light, and "on" indicator light.
- Works in conjunction with your furnace to control the operation of the humidifier.
- Senses indoor RH and outdoor temperature and automatically adjusts the operation time of the humidifier to provide the optimum humidity level in the home.
- The digital readout on the control displays the RH level inside the cold air return.
- Can also be used in manual mode when it is not possible to run wire to outdoor sensor.
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