Prime Air J100-12 Jet Alternative Aerator

The Prime air J100-12 is an alternative shaft septic aerator for Jet Aeration Systems. Prime air J100-12 comes with 12”  brackets for the 10” diameter opening used on Jet Aerobic Systems.


The Prime Air J100-12 is a replacement for the following shaft aerators:
Jet 660
Jet 665
Jet 700LL
Any Other Jet Aerator
Ultra-Air Model 735 Red
Flagg-Air 340HP-J

Prime Air J100-12 - Jet Septic Aerator Replacement

The Prime Air J100-12 is a highly reliable alternative replacement shaft aerator. We designed with longevity and durability in mind after finding other units lacking some key engineering features. These features help make the Prime Air J100-12 be more reliable shaft aerator. This allowed us to source all the parts and bring down the cost of the overall unit.

The Prime Air J100-12 uses a high efficacy motor that draws only 3.5 amps manufactured by Marathon Electric. Marathon Electric was instrumental because of its long history with electric motors. Because the motor has a hollow shaft and is in a corrosive, and damp environment motor capability was at the forefront of the design phase. Marathon has over a hundred years of experience in electric motors, and they were confident they could manufacture the proper motor for the application.

 The Prime Air J100-12 has coronation resistant brackets. The brackets have a rubber sheath the prevents vibration and extending the life of the motor.

The Prime Air J100-12 uses a 304 stainless steel for the shaft for corrosion resistance, not chrome plated metal shaft. 304 stainless steel is used extensively in large municipal wastewater treatment plants. Buy the Alpha Air AL500 and get high-quality stainless steel for the best price around.

We Reduced the size of the suds restrictor to reduce weight and drag on the motor at the same time while also stopping water from splashing up on the motor increasing longevity of the pump and protection for the motor from the wastewater environment.

The aspirator what designed to create less drag so the motor doesn’t have to work as hard. The design also doesn’t catch debris such as hair and other long particles like the OEM aerators and other alternative replacement aerators. This lets the motor run at a lower temperature and more efficient ensuring a longer life.

Prime Air J100-12 Specifications:

  •  Jet Shaft Aerator Replacement
  • 12” Brackets Fit 10” Opening
  • ¼ HP, 115VAC, 60 Hz, 1725 RPM
  • 3.5 Amps at full load.
  •  Marathon Electric Hollow shaft sealed motor.
  • Vibration Absorbing Corrosion Resistant Brackets
  • More Low Drag Aspirator Less Load On Motor
  • 304 Stainless Steel Shaft 5/8” OD
  • High-Quality Suds Brass Coupling
  •  Suds Restrictor
  • Includes 3ft Cord 3 prong with ground
  • 1 Year Warranty

Prime Air J100-12 Features

  • Designed for Continuous Operation
  • Works with Jet OEM Control Panels
  • Marathon Motor Designed for Continuous Operation
  •  Energy Efficient
  • Replacement Parts Available
  • Easy Installation
  • Some Assembly Required


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