Specs

• Patented design
• Type:  fan-assist, evaporative 
• Gallons per day:  19 (based on 120° F plenum temperature)
• Dimensions (inches):  15.75 H x 16.63 W x 6.75 D
• Weight (pounds):  10  
• Fan dB:  48
• Vapor Pad® replacement:  GA35 (GFI #7902)
  • Replace 1-2 times per season
• For home sizes up to 4,400 square feet
• Plenum opening (inches):  9 1/8 W x 12 H
• Pallet quantity (units):  30
• Installation:  vertical supply plenum only 
• Control:  GFX4 digital automatic-control humidistat; controls the furnace blower motor
• Power (volts):  120
• Warranty (years):  5

Features

• A super quiet, cross-flow fan
• A safety switch that removes power from the unit when the door is opened
• Maximum Humidity Output Through:
  • Low-profile cover that forces air directly through the Vapor Pad® at its warmest point
  • Stainless steel distributor tube for cold or hot water supply
  • Redesigned cover and chassis to direct hot furnace air directly through the Vapor Pad®
  • Reduced Vapor Pad® frame for maximum pad exposure
• Easy Maintenance Through:
  • Snap-in-place, easy lift-off cover
  • Hinged door 
  • Sturdy two-piece Vapor Pad® frame that easily pulls apart to release & replace the Vapor Pad®

Your furnace sends warm air through the humidifier and a water-soaked Vapor Pad®, where a fan assists the evaporative process by pulling air through the Vapor Pad®. Newly-moistened air is then delivered throughout your home via your home's duct system. Breathe Healthier® with a GeneralAire® 4400A Evaporative Humidifier.