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Replacement for Model Aprilaire 224

GeneralAire GA4021 Red Orifice Part


Retail: $23.43 /ea
You Save: 33%
As low as
Retail: $23.43
You Save: 33%
Special Order. Ships in 5 to 6 business days.

The GeneralAire GA4021 is the correct replacement for the following systems:

  • GeneralAire 112 Humidifier
  • GeneralAire 224 Humidifier
  • AprilAire 112 Humidifier
  • AprilAire 224 Humidifier

The GeneralAire GA4021 Red Orifice is part of the ReservePro Series of professional OEM parts. Also known as part number 7590, this red orifice allows a specific amount of water to enter your humidifier. Some of the water will perform a flushing action while the rest of the water will evaporate. The water panel will stay clean through this process, while reducing maintenance.

General Aire Red Orifice Replacement Specifications:

  • Part 7590
  • Red finish
  • Genuine OEM part
  • Fits GeneralAire and AprilAire 112 and 224 Humidifiers

When replacing your orifice, don't forget to clean or replace your inline strainer. The GeneralAire brand is also known by the following spelling variations: General Aire, General Air and GeneralAir.

Compatible Models:

The GeneralAire GA4021 Red Orifice Part is correct replacement for the following model numbers:

BrandModel NumberDescription
GeneralAireAprilaire 112Humidifier part
GeneralAireAprilaire 224Humidifier part
GeneralAireGeneralAire 112Humidifier part
GeneralAireGeneralAire 224Humidifier part
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