Description
U9-199 Diffuser O-Ring for Pentair/ Sta-Rite – PLBC Booster Pump
(Quantity of 1)
Replacement O-ring – Part # U9-199 for Pentair / Sta-Rite PLBC Booster Pump
Also fits:
- American 862005, 850057
- Anthony Saddle O-Ring 2 inch Valve 4667-12
- Doughboy 308-1046
- Hayward SPX1485B6, SPX1483C
- Jacuzzi 47-0223-06-R
- Pentair 071431, 12-800, 350103, 850057, 862005
- Purex P-24108/71431
- Swimquip & Sta-Rite 35505-1236, 35505-1429
• FDA/NSF approved EPDM material O-rings meet food/drinking water contact standards.
• Direct fit after-market replacement
• Made in USA
Note: User must install according to manufacturer specifications. All brand new parts, satisfaction guaranteed.
Product Overview:
The U9-199 Diffuser O-Ring is a high-quality replacement designed to maintain a secure, watertight seal in Pentair and Sta-Rite PLBC Booster Pumps as well as compatible equipment. Made from FDA/NSF-approved EPDM rubber, this O-ring is built to withstand heat, chlorinated water, and regular wear over time. Its durable construction ensures consistent pump performance, helping to prevent leaks and maintain optimal pressure.
Why Choose This O-Ring:
- Precision fit engineered to match factory specifications for a reliable, leak-free seal.
- EPDM material resists ozone, UV exposure, and chemical damage, making it suitable for long-term use in pool and spa systems.
- Cross-compatible with a wide range of models from multiple brands, offering a cost-effective solution for replacement or maintenance needs.
- Manufactured in the USA under strict quality standards to ensure uniform dimensions and consistent performance.
Installation Notes:
Before installing, inspect the groove or seating area for dirt, mineral buildup, or signs of wear. Proper alignment during placement is essential to prevent pinching, twisting, or uneven compression that could compromise the seal. This O-ring is suitable for both routine maintenance and emergency replacements, making it a reliable choice for maintaining pump efficiency.
Key Benefits:
- Preserves the integrity and efficiency of your pump system.
- Reduces the risk of leaks, water loss, and potential damage to pump components.
- Offers a dependable, long-lasting replacement without the need for frequent changes.
- Supports preventive maintenance practices, helping extend the life of your equipment.
This U9-199 O-ring is a premium-quality, direct-fit replacement built for durability and dependable performance. Shipped from the USA, all parts are brand new and backed by a satisfaction guarantee.





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