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Original price $82.50 - Original price $82.50
Original price
$82.50
$82.50 - $82.50
Current price $82.50

Rebuild Kit for Gast AT05 WK882 Rotary Vane Septic Air Pump

by Gast
  76 Reviews
After many years of operation, the carbon vanes will wear down or shatter, causing the unit to stop, or lose airflow. Installing this repair kit can return the pump to normal functionality.
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  • Key Features
  • Specs
  • Warranty
  • Please Note: Wholesale Septic Supply’s rotary vane rebuild kit is not a Gast product. Under no circumstances is Wholesale Septic Supply representing that these products originate from Gast.


    Aerobic septic systems require a steady, reliable oxygen flow in order to keep the hard-working aerobic bacteria they depend on for waste decomposition process alive. Gast rotary vane compressed air pumps are quiet, efficient and reliable workhorses that will provide years of service with minimal maintenance.

    Over time, even the best-cared for pumps will need servicing. The carbon vanes eventually wear down or may break and need to be replaced. The Gast K882 Repair Kit for AT05 pumps makes this a quick and easy task and contains everything you need to return your pump to full functionality.

    Each kit contains:

    • (4) 1-1/4'' Wide Carbon Vanes
    • (2) Internal Filters and
    • (2) External Filters
    • (2) O-Rings and other

    Gasket Seals Installation Instructions Full guarantee from defects. We recommend you service your pump approximately every two years (more often, if needed) or your pump may lose airflow or stop working altogether. You should use an appropriate flushing solvent to rinse away any debris from inside the pump when you are servicing the unit. If your compressor sounds like the bearings are going, we recommend you replace your pump. Please note: Not affiliated with Gast or IDEX

    You (the customer) are responsible for making sure you are following all applicable laws and regulations in your area before replacing your septic air pump yourself.

    Gast AT05 K882 are Registered Trademarks of Gast. Under no circumstances is Wholesale Septic Supply representing to the general public that it is an Authorized Distributor, Dealer, or is affiliated with those companies with whom we make product comparisons or with any products we sell.

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Questions & Answers

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  • Does ATO5Kit come with the orange compressor gasket that shows in the picture

    Absolutely. Everything pictured is included.

  • Will this kit fit gast RV05 pump?

    Yes this will work on the Gast RV05.