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W400BWHP Free Rotating Vacuum Lock Safety Wall Fitting - ForZodiac, Hayward, Pentair Suction Pool Cleaners

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$14.49
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W400BWHP Free Rotating Vacuum Lock Safety Wall Fitting

Key Features

  • Designed for connecting suction-side automatic pool cleaners to a dedicated vacuum line.
  • Integrated safety mechanism automatically closes the suction port when the vacuum hose is removed.
  • Free-rotating collar prevents hose tangling and twisting during cleaner operation.
  • Fits standard 1-1/2 inch female threaded pool wall suction ports.
  • Durable construction resistant to pool chemicals and UV exposure.

Replaces / Cross-Reference Part Numbers

  • W400BWHP
  • W400BBKP
  • W400BLGP
  • GW9530
  • K12500
  • CMP25505-000-000

Compatibility & Fitment

  • Compatible with standard 1-1/2 inch female threaded suction wall ports.
  • Compatible with suction-side automatic pool cleaners from Hayward, Zodiac, and Pentair.
  • Suitable for use with various suction cleaners, including Navigator, Navigator Pro, Ultra, and Pool Vac XL models.

When to Replace

  • If the internal spring mechanism fails to seal the port when the hose is removed.
  • If the rotating collar becomes stuck, cracked, or difficult to turn.
  • If the threaded base shows signs of stripped plastic or stress fractures.
  • If the unit fails to maintain a proper airtight seal, resulting in loss of suction power for the cleaner.

Installation Tips

  • Ensure the pool pump is turned off before removing the existing fitting.
  • Clean the pool wall suction port threads of any debris or old sealant tape before installation.
  • Hand-tighten the fitting into the wall port; do not overtighten with tools to avoid cracking the plastic.
  • Apply a thin layer of pool-safe silicone lubricant to the threads if the fit is excessively tight.
  • Verify the safety spring mechanism functions properly by inserting and removing the hose before turning the pump back on.
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FAQ

This fitting is designed for use with suction-side automatic pool cleaners from Hayward, Zodiac, and Pentair. It is specifically engineered to fit into a standard 1-1/2 inch MPT (Male Pipe Thread) suction port.
The W400BWHP serves as a direct replacement for OEM part numbers W400BWHP, W400BBKP, W400BLGP, GW9530, and K1250.
The free-rotating feature allows the vacuum hose to swivel independently of the wall fitting. This prevents the hose from kinking or twisting as the pool cleaner moves around the pool, which helps maintain consistent suction and extends the life of your vacuum hose.
You should consider replacing the fitting if you notice cracks in the plastic housing, if the spring-loaded safety door no longer closes securely, or if the swivel mechanism has become seized or difficult to rotate. A damaged fitting can lead to air leaks in the suction line, which reduces the cleaning efficiency of your pool cleaner.
Installation is straightforward and typically takes less than 5 minutes. Simply unscrew your existing fitting from the pool wall suction port and thread the new W400BWHP into place. Ensure it is hand-tightened securely to prevent air from being drawn into the plumbing system.