Air Pumps and Accessories

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Air Check Valves

Airmax Check Valve Assembly - 3/4-in. NPT

Item #:490340

Airmax Replacement Check Valve prevents water from entering the air compressor.

The Airmax Check Valve Assembly .750 NPT protects your Airmax Aeration Systems by preventing water from traveling up through your airline and into internal aeration components. The Check Valve only allows a single direction of airflow; it is important that the check valve is installed with your aeration stone on the "out" end and the aeration source on the "in" end. The Airmax Check Valve Assembly is a replacement for the Airmax ProAir2, ProAir4 and KoiAir Membrane Diffuser Plates.

  • Ensure Water Does Not Enter Airline
  • Fits ProAir & KoiAir Diffuser Plates
  • Clearly Marked For Easy Installation

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