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 (818) 818-6559 and we'll find it for you.
SW-80-513 | Swimables Pentair FNS Plus Push & Pull Backwash O-Ring Kit
Fits these models
Pickup, delivery and shipping times are estimates, not guarantees.
Couldn't load pickup availability
● 112 in stock30-day returns Secure checkout
Have a question about this part?
Ask about fit, specs or shipping and get an instant answer.
Goes with this part
CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
The Swimables SW-80-513 O-Ring Kit is a complete replacement set designed to restore proper sealing performance in Pentair FNS Plus push-pull and slide-style backwash valves. This kit replaces the O-513 and includes all essential O-rings needed to reestablish a leak-free backwash operation. Crafted from resilient, chemical-resistant elastomers, the kit eliminates flow bypass and improves valve response. Ideal for periodic maintenance or when leaking occurs, it’s a simple and effective solution to help maintain full filtration efficiency.
-
Complete OEM-Style O-Ring Set: Contains all necessary O-rings—matching OEM O-513—so you can address all sealing surfaces in push-pull and slide backwash valves in one kit.
-
Leak-Proof Seal Restoration: Replaces worn or hardened rings to renew a tight seal, preventing water bypass and ensuring backwashing operates correctly and efficiently.
-
Chemical and Wear-Resistant Materials: Built from premium, durable elastomers that resist chlorine, ozone, and pool chemicals while maintaining flexibility through repeated cycles.
-
Minimizes Maintenance Downtime: Swaps into valves with ease—no tools or machining required—making it fast and practical for routine maintenance or emergency seal repairs.
-
Enhances Valve Performance and Longevity: A timely replacement helps reduce valve fatigue, improves operational smoothness, and helps extend the service life of the entire backwash assembly.
- (5) O-Rings
- Pentair FNS Plus Push & Pull Backwash Valves