The FujiMAC 120R2 Septic Air Pump is a dependable, medium-to-high capacity linear diaphragm pump designed for aerobic wastewater treatment systems. With a rated airflow of 120 L/min, it provides consistent oxygenation to support effective treatment processes in both residential and light commercial applications.
Operating within a 2.1–3.1 PSI range, the 120R2 delivers reliable performance while maintaining quiet, low-vibration operation. Its oil-free design ensures clean air delivery, and built-in thermal overload protection safeguards the motor from overheating during abnormal conditions.
With proper care, including periodic diaphragm rebuilds, the FujiMAC 120R2 can provide years of dependable service. OEM rebuild kits are available to restore performance when internal parts begin to wear.
Designed for medium-to-large residential and light commercial aerobic treatment units
Suitable for systems requiring 120 L/min rated airflow
Compatible with operating pressures between 2.1–3.1 PSI
Linear diaphragm technology for steady, reliable airflow
Oil-free operation for clean performance
Quiet operation with low vibration
Thermal overload protection for motor safety
Easy servicing with available rebuild kits
Rated Voltage: 120V AC
Frequency: 60 Hz
Power Consumption: 98 W
Suggested Pressure Range: 2.1 – 3.1 PSI
Normal Pressure: 2.6 PSI
Airflow at Rated Pressure: 120 L/min (4.2 CFM)
Sound Level: 42 dB(A)
Weight: 15 lbs
Dimensions (L × W × H): 9 7/8" × 7 1/4" × 8 3/8"
Outlet OD / ID: 3/4" OD, 1/2" ID
Includes a 3-year manufacturer warranty.
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