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GeneralAire 747-29 Humidifier Float Valve Assembly


GeneralAire 747-29 Humidifier Float Valve Assembly
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Discontinued Product Read Description.

The GeneralAire 747-29 Humidifier Float Valve Assembly is the correct replacement part for the following General Air Legacy Series drum humidifier models:

  • GeneralAire Model 747 Drum Humidifiers
  • GeneralAire Model 747L Drum Humidifiers

The GeneralAir 7074 Humidifier Float Valve Assembly is the replacement float valve assembly on General Aire recirculating humidifier systems. The General Air humidifier model 747 and 747L are variations of the drain models, which eliminates the need for an external drain or sewer.

The water supply is controlled by a motor-driven and adjustable flow pump. This pump is mounted in a reservoir where the water level which is maintained by a float valve. The pump supplies water to the distributor tray, or trough, where it is distributed evenly to the evaporator sleeve. Water that is not evaporated drains back into the reservoir and recirculated.

General Aire 747-29 Humidifier Float Valve Assembly Specifications:

  • Part Number: 7074 or GeneralAir 747-29
  • Includes 1 Humidifier Float Valve Assembly
  • Easy installation
  • Replacement part for General Aire Legacy Series, models 747 and 747L drum humidifiers

The GeneralAir Legacy 747 and 747L drum humidifiers are wholehouse bypass style humidifiers designed for light commercial and residential applications, and mount in the warm air supply duct. These General Aire drum humidifiers will add the appropriate amount of humidity to your home to improve your breathing and comfort, reduce static electricity, as well as protect your furniture and wood floors from drying out and cracking.

GeneralAire can also be written as General Air, General Aire and GeneralAir.


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  • 7074 is used in the following Models
     GeneralAire 747
     GeneralAire 747L

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