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Aprilaire 4737 Resistor Case Manual Label

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Part # 4737
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Aprilaire 4737 Resistor Case Manual Label. This is the manual mode resistor for the model 58 digital auto humidity control. Use it if you do NOT want to install the outdoor air sensor. This is for almond colored humidistats.

The manufacturer is sometimes referred to as April Aire, Aprilair, April Air but is correctly spelled Aprilaire. Aprilaire© is a registered trademark of Research Products Corporation.


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