Swimables Pentair WhisperFlo 3HP Impeller | 073131 | SW-21-006

The Swimables SW-21-006 Impeller serves as a direct aftermarket replacement for Pentair part 073131, used in high-output 3 HP WhisperFlo and IntelliFlo pumps. Designed to restore original hydraulic efficiency, it helps pumps regain flow and pressure lost to worn or damaged impellers. Constructed from strong, corrosion-resistant materials, this impeller is engineered to handle chemical exposure, UV rays, and continuous use in tough pool environments. With precision blade geometry and tight tolerances, the SW-21-006 ensures reliable water movement, smoother operation, and longer equipment life when installed in compatible Pentair pumps.

Highlights

• Replaces Pentair 073131: Compatible with WhisperFlo and IntelliFlo 3 HP pumps, the SW-21-006 impeller restores the function of Pentair’s OEM hydraulic design.

• Improves System Output: Helps pumps regain lost head pressure and water flow, reducing strain on filtration systems while boosting water clarity and circulation.

• Built for Pool Demands: Made of durable molded plastic that resists wear from chlorine, bromine, and saltwater while maintaining strength under high loads.

• Engineered Precision: Balanced design reduces operating vibration and noise, helping maintain smoother and more efficient pump cycles.

• Service-Friendly Fit: Installs onto the motor shaft with correct alignment, making pump rebuilds straightforward for pool owners and technicians alike.

Compatibility

• Pentair WhisperFlo Pump Models: WFE-12, WF-12, WFK-12
• Pentair IntelliFlo 3HP Pumps
  
• Pentair IntelliFlo® VS Pump
• Pentair IntelliFlo® VS 3050 Pumps
• Pentair IntelliFlo® VF and VS + SVRS 3HP Pumps

Note: This part may be compatible with your system, please refer to your owners manual to ensure compatibility.

Additional Info

This section highlights the Swimables SW-21-006 impeller, designed to replace Pentair 073131. Learn how to install it, what pump models it fits, and how to order online with fast shipping.

Installing the Impeller After Ordering Online

The SW-21-006 installs directly on the motor shaft. Follow instructions to remove the old impeller, clean the volute, and check the shaft seal before reassembly.

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Restoring Pump Flow and Efficiency

Worn impellers reduce performance, leading to weak suction and pressure. Replacing with SW-21-006 helps restore proper hydraulic output.

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Ordering Online With Confidence

Listings clearly identify Pentair 073131 compatibility. Bundling seals and gaskets with the impeller often qualifies for free shipping.

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