Maintain rock-solid impeller attachment in your Pentair pump with the OEM 355389 locking screw, a factory-original fastener built for SuperMax, Challenger, and SuperFlo pump platforms. This small but critical part prevents the impeller from loosening during operation, safeguarding against vibration-related performance drops and potential internal damage. Constructed to endure years of continuous cycling, the 355389 locking screw is an indispensable component whether you are performing scheduled upkeep or addressing a specific repair.

Key Benefits

• Critical Fastening Role: Holds the impeller firmly on the motor shaft in SuperMax and SuperFlo Pumps, providing the foundation for dependable pump function.
• Anti-Vibration Security: Keeps the impeller locked in position during operation, eliminating the risk of loosening that could compromise water flow and pressure.
• Long-Service Construction: Engineered from wear-resistant materials that maintain their holding strength through thousands of pump cycles.
• Maintenance-Ready: An indispensable spare part for both preventive service intervals and targeted component replacements.
• Sustained Pump Efficiency: By anchoring the impeller correctly, this screw helps your Pentair pump deliver its rated flow and pressure output consistently.

What's Included

• Pentair 355389 Impeller Locking Screw

Compatibility

• Pentair Challenger Pumps
• Pentair Pinnacle Pumps
• Pentair SuperFlo Pumps
• Pentair SuperFlo VS Pumps
• Pentair SuperFlo VST Pumps
• Pentair Sta-Rite SuperMax Pumps

Specifications

• Brand: Pentair
• Part Number: 355389

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