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-26-531 | Swimables Spring Barrel Nut For Pentair Filters | 53108900
Fits these models (3)
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
Swimables Spring Barrel Nut SW‑26‑531 is a direct-fit replacement for Pentair filter models including Clear and Clear, Quad DE, and FNS Plus. This critical component secures the internal spring barrel assembly, ensuring precise pressure alignment within the tank to prevent leaks and maintain safe operation. Engineered from corrosion-resistant materials, it withstands both chlorinated and saltwater pool environments for long-term reliability. The SW‑26‑531 restores proper filtration performance and includes all necessary hardware—spring, bolt, and washers—for fast, secure installation during service or maintenance.
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Direct OEM Fit: Replaces Pentair part number 53108900 and is compatible with Clear and Clear, Quad DE, and FNS Plus filter systems.
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Secures Internal Assembly: Locks the spring barrel in place to maintain consistent internal pressure and prevent operational misalignment.
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Built for Harsh Conditions: Constructed from durable, corrosion-resistant materials that hold up under chlorine and saltwater exposure.
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Supports Leak-Free Performance: Essential for restoring filtration integrity and helping prevent internal pressure loss or tank leakage.
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Complete Kit Included: Comes with spring, bolt, and two washers for a full hardware replacement and reliable installation.
- (1) Spring
- (1) Bolt
- (2) Washers
- Pentair Clear and Clear Filters
- Pentair Quad DE Filters
- Pentair FNS Plus Filters