Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (855) 767-7665 and we'll find it for you.
On the Pentair Clean & Clear Plus 240 160310 Filter diagram
This part
Open the full interactive diagram →
The Pentair FNS Plus Filter Bulkhead Union O-Ring is a crucial component for maintaining a watertight seal in your pool filtration system. Designed for Pentair FNS Plus filters, this O-ring ensures secure connections at the bulkhead union, preventing leaks and optimizing filtration performance. Crafted with durable materials, it provides reliability and longevity, offering peace of mind for pool owners seeking efficient maintenance solutions.
- Custom Fit Design: Tailored for Pentair FNS Plus filter bulkhead unions, this O-ring guarantees a perfect fit, minimizing the risk of leaks and ensuring hassle-free installation.
- Durable Construction: Engineered with high-quality materials, the Pentair FNS Plus Filter Bulkhead Union O-Ring is built to withstand the rigors of pool filtration systems, providing long-lasting performance and dependable sealing capabilities.

Questions & Answers
Have a Question?
Be the first to ask a question about this.




