Gast – 0523-101Q-G588NDX – Rotary Vane Septic Pump


Gast 0523, Rotary Vane Septic Air Pump:

The Gast 0523 is easy to install, rugged, and provides long life. Internal sound suppression results in lower operating noise levels. This compact unit’s high-flow, pulse-free air makes them ideal for wastewater treatment applications that require consistent air pressure and flow.

Other features include:

  • Thermal overload protection safeguards the motor against high temperature damage;
  • Easy to service vanes and filters extend the life of the unit and maximizes uptime;
  • Internal and external inlet filters prevent contaminants from entering your system.
  • A proven unit with 0523 sewage aeration installations going back to the mid 90’s

This model does not include a cooling fan

When you need to repair or rebuild this rotary vane pump, use Gast OEM repair kit K882.  The kit includes everything you need to repair an 0523, including vanes, gaskets, and filters.

Replace clogged external, air intake filters with Gast OEM part number B343B External Intake Filter.

Please note: This product is factory wired to accept 208-240VAC. Follow the wiring instruction within the box to change the wiring to accept 100-115VAC. Cables not included.

46 in stock

SKU: 0523-101Q-G588NDX Category: Brand:
Product Specification
Noise 70 db The volume on an average vacuum cleaner (70 dB).
Minimum Temperature 33 Fahrenheit 1 Celsius
Maximum Temperature 104 Fahrenheit 40 Celsius
Minimum Pressure 0 CFM 60 HZ
Maximum Pressure 10 CFM 60 Hz
Additional Information
Weight 32 lbs
Dimensions 16 × 12 × 12 in







This item has a 2-year manufacturer's warranty.


Reviews (1)

1 review for Gast – 0523-101Q-G588NDX – Rotary Vane Septic Pump

  1. 1 out of 5

    Marc H. (verified owner)

    See above

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