Your furnace sends warm air through the humidifier and a water-soaked Vapor Pad®, evaporating water within the Vapor Pad®. Newly-moistened air is then delivered throughout your home via your home’s duct system. Breathe healthier with a GeneralAire® 4200 Evaporative Humidifier.

Features

• Humidifies up to 4200 sq ft
• Designed for Lower Plenum Temperatures
• Fits tight spaces, Smaller, Low Profile Cover with Left or Right Bypass Installation option
• Model includes ¼” OD, PEX water supply tubing (hi-temp and hi-pressure) for hot or cold water installs.
• Eliminating the need for use of copper piping
• Water Supply Tubing for Hot or Cold Water
• Standard MHX3 Stat Included
• UL 998 Approved
• Uses 1/2” Push-On Valve with Shut-Off in Place of Saddle Valve
• Replacement evaporative pad part no. GFGA35

• GF-4200DMM (Replaces model # GF900DMM)

GF-4200 Specs

• Type:  bypass evaporative
• Gallons per day:  17 (based on 120° F plenum temperature)
• Dimensions (inches):  15 1/4 H x 12 W x 8 1/2 D
• Weight (pounds):  3.5
• Vapor Pad® replacement:  GA35 (GFI #7902)
• Replace 1-2 times per season
  
• Plenum opening (inches):  9 1/8 W x 12 H
• Bypass opening (inches):  6
• Installation:  warm air / return air plenum / right of left side
• Control:  MHX3C manual-control duct-or-wall mount humidistat
• Power (volts):  24
• Warranty (years):  5

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