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The Swimables Machined Nut 194997 / SW-26-997 is a precision-engineered replacement component designed to match the original Pentair clamp nut used on FNS Plus, Quad DE, Clean & Clear Plus, and FullFloXF filter systems. Manufactured from corrosion-resistant material, the nut delivers consistent tightening force to help maintain proper tank sealing and stable internal pressure during operation. Its 5/16-24 fine-thread pattern aligns with the original Pentair hardware, while the 7/8-inch wrench size allows for straightforward installation and removal during filter service. Reliable for routine maintenance or clamp rebuilding, this machined nut supports long-term filter performance by ensuring a secure, leak-resistant connection.
Highlights
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Compatible with Pentair Filters: Designed to replace the clamp nut found on Pentair FNS Plus, Quad DE, Clean & Clear Plus, and FullFloXF filter systems for proper fit and operation.
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Accurate Fine-Thread Profile: Uses the same 5/16-24 fine-thread configuration as the original Pentair nut, ensuring smooth engagement and stable clamp compression.
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Service-Friendly 7/8 Inch Size: Accepts a standard 7/8 inch wrench, making it easy to tighten or remove during regular filter maintenance.
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Machined for Durability: Built from corrosion-resistant materials that withstand outdoor environments, treated water exposure, and repeated service cycles.
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Helps Maintain Tank Seal: Provides uniform clamp pressure to support a leak-resistant seal and consistent internal filter pressure.
Compatibility
- Pentair FNS Plus Filters: 180007, 180008, 180009
- Pentair Quad DE Filters: 188592, 188593, 188594
- Pentair Clean and Clear Plus Filters: 160310, 160340, 160301, 160332
- Pentair FullFloXF Filters
Note: This nut may be compatible with your , please refer to your systems owners manual to ensure compatibility.
Diagram

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