2 Pack – U9-359 O-Ring for Pentair Sta-Rite Posi-Flo, Air Relief / FDA NSF 61

Description

Product Overview:

This 2-pack of U9-359 O-Rings is a high-quality replacement set designed to maintain a secure seal in Pentair and Sta-Rite Posi-Flo pumps, as well as other compatible booster pumps and filtration systems. Constructed from FDA/NSF-approved EPDM material, these O-rings offer excellent resistance to chemicals, temperature variations, and regular wear, ensuring reliable performance in pool and spa equipment.

Why Choose These O-Rings:

• Precision-engineered for a direct fit in Posi-Flo air relief valves, EQ series pumps, and compatible systems.
• Durable EPDM material resists degradation from chlorinated water, UV exposure, and general wear, providing long-term reliability.
• Cross-compatible with multiple equipment models from major brands including Jandy, Zodiac, Pentair, and Sta-Rite.
• Manufactured in the USA to strict quality standards, ensuring consistent dimensions and dependable performance.
• Pack of two allows for simultaneous replacement or keeping a spare for preventive maintenance.

Installation Notes:

Before installing, inspect the seating area for debris, mineral buildup, or damage. Ensure the O-ring sits evenly without twisting or stretching to maintain an effective seal. These O-rings are suitable for both routine maintenance and emergency replacement, helping to preserve pump efficiency and prevent leaks.

Key Benefits:

• Maintains pump and filtration system integrity
• Reduces risk of leaks and equipment damage
• Long-lasting, reliable replacement without frequent changes
• Supports preventive maintenance and efficient pool operation

This U9-359 2-pack is a premium-quality, direct-fit replacement built for durability and dependable performance. All parts are brand new, shipped from the USA, and backed by a satisfaction guarantee.