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Generalaire GFX3
GeneralAire GFX3
Digital Automatic Humidistat

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The Generalaire GFX3 Digital Humidistat will adjust the humidity in your home based on the outdoor temperature, lowering the humidity in cold weather to reduce condensation. The GFX3 can also operate in manual mode to keep the humidity at a specifc relative humidity. In most homes, automatic operation is preferred to reduce condensation on windows and within the structure. Manual mode is necessary where the outdoor temperature sensor cannot be installed, or may be desireable where valuable artwork, instruments or woodwork demand constant humidity. The LCD Display is backlit and easy to read. Operation and Installation are simple, and GFX3 can be mounted on an interior wall or on the return duct of the HVAC System.

Temperature Accuracy
+/- 2°F F 

Relative Humidity Accuracy
+/- 3% RH RH 

Auto Mode Control Range
10-60% RH  

Manual Mode Control Range
10-75% RH  

18 / 24 / 30 Volts 

60 Hz 
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(800) 865-5931
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1901 N. Clybourn Avenue
Suite 200
Chicago, IL 60614
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