The Swimables SW-26-531 Spring Barrel Nut is a precision-engineered direct substitute for Pentair part 53108900, compatible with Clear and Clear, Quad DE, and FNS Plus filter models. This vital fastener anchors the internal spring barrel assembly in place, maintaining uniform pressure distribution within the filter tank to avert leaks and ensure safe, consistent operation. Built from materials that resist the corrosive effects of both chlorinated and saltwater pool systems, this component stands up to years of demanding service. The SW-26-531 ships as a complete hardware kit with the spring, bolt, and washers needed for a fast, secure replacement.

Key Benefits

• Precise Pentair Replacement: Matches Pentair part 53108900 and integrates seamlessly with Clear and Clear, Quad DE, and FNS Plus filtration systems.
• Anchors the Spring Barrel: Fastens the spring barrel assembly securely to preserve even internal pressure and prevent misalignment during operation.
• Withstands Pool Chemistry: Fabricated from corrosion-resistant materials designed to endure constant exposure to chlorine, salt, and other pool treatment chemicals.
• Restores Filtration Integrity: Critical for re-establishing proper pressure sealing and preventing tank leakage that compromises filter performance.
• Full Hardware Kit: Arrives with spring, bolt, and two washers so you have everything needed for a complete, trouble-free installation.

What's Included

• Spring
• Bolt
• Washers

Compatibility

• Pentair Clear and Clear Filters
• Pentair Quad DE Filters
• Pentair FNS Plus Filters

Specifications

• Brand: Swimables
• Part Number: SW-26-531.

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