How to Replace Your Air Check Valve

Video: Air Check Valve Replacement #

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How to Replace Your Air Check Valve #

Important Note: The Air Check Valve must be replaced annually to prevent water backflow into the cartridge. Failure to replace it may void the warranty.

What’s Included? #

  • Black Air Check Valve
  • Secondary Air Check Valve & Short Air Tubing

Black air check valve, secondary air check valve, and short air tubing included in the replacement kit

  1. Step 1: Remove Old Air Check Valve
    • Disconnect long Air Tubing from old Air Check Valve
    • Unthread old Air Check Valve from the Venturi
      • Caution: If the Venturi’s black Suction Port Cap detaches with the old Air Check Valve, unthread it & reattach it back to the Venturi.

    Removing the old air check valve and long air tubing from the Venturi suction port cap

  2. Step 2: Install New Air Check Valve
    • Thread the new black Air Check Valve with the included Barbed Fitting onto the Manifold’s Venturi Suction Port Cap.
      • Important Note: Ensure the Air Check Valve’s arrow points to the Manifold & away from the Cartridge

    Threading the new black air check valve onto the manifold's Venturi suction port cap

  3. Step 3: Install Secondary Air Check Valve
    • Connect the Long Air Tubing from the new Black Air Check Valve to the secondary Air Check Valve
    • Connect the secondary Air Check Valve Short Air Tubing to the Cartridge Unit’s Barb Fitting.

    Connecting the secondary air check valve between the long air tubing and the cartridge unit's barb fitting

  4. Step 4: Set Required Air Flow Rate
    • Turn on circulation pump & adjust the Manifold’s knob until the Flowmeter meets the recommended flow rate:
      • CCW100: 5-7 LPM
      • CCW50: 3-5 LPM

    Adjusting the manifold knob to set the air flow rate

After: Manifold #

Here’s what the Manifold looks like with the new black Air Check Valve.

Gate valve manifold with the new black air check valve connected to the cartridge unit

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Updated on October 21, 2026