Swimables FNS, Clean & Clear, Quad DE Style Spring Barrel Nut Assembly – SW-26-531
Secure Filter Tank Assembly with a Reliable Replacement
Your filter’s clamp system is one of the most critical components in keeping your pool safe, sealed, and efficient. The Swimables FNS, Clean & Clear, Quad DE Style Spring Barrel Nut Assembly (SW-26-531) is an OEM-style replacement designed to provide the strength, security, and durability needed to keep your Pentair filter tank tightly sealed under pressure.
If your filter clamp nut assembly is cracked, stripped, or rusted, your tank may not close securely, which can lead to leaks, reduced performance, or even dangerous operating conditions. Replacing it with the Swimables SW-26-531 restores the integrity of your filter system and gives you peace of mind every time you run your pump.
Compatible with Pentair Filters
The Swimables SW-26-531 Spring Barrel Nut Assembly is engineered to fit the most popular Pentair filter models, including:
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FNS Plus DE Filters
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Clean & Clear Cartridge Filters
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Quad DE Filters
Built to match OEM specifications, this replacement offers the same fit, function, and strength as the original part.
Why Pool Owners Choose Swimables Spring Barrel Nut Assemblies
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OEM-Style Fit: Works with Pentair FNS Plus, Clean & Clear, and Quad DE filters.
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Durable Construction: Made from corrosion-resistant, heavy-duty materials.
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Restores Safety: Ensures your filter tank remains sealed under high pressure.
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Smooth Operation: Spring-loaded design makes tightening and loosening easier.
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Simple Installation: Direct replacement that installs quickly with basic tools.
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Cost-Effective Solution: Get OEM performance at an affordable aftermarket price.
The Role of the Barrel Nut Assembly
The spring barrel nut assembly is a small but vital part of your filter clamp system. It provides the necessary tension and grip to hold the filter tank halves tightly together. Without it, your filter system could experience:
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Leaks around the tank seam
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Inconsistent pressure and poor filtration
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Risk of tank separation under pressure
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Increased strain on pumps and plumbing
By replacing a damaged or worn assembly with the Swimables SW-26-531, you restore safe, leak-free operation.
Signs It’s Time to Replace Your Spring Barrel Nut Assembly
Clamp components endure stress every time the filter is cleaned or reassembled. Over time, they can wear out or fail. Consider replacing your barrel nut assembly if you notice:
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Cracks or visible damage to the nut or spring
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Stripped threads preventing proper tightening
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Leaks along the filter tank seam
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Difficulty tightening or loosening the clamp
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A missing or misplaced assembly during maintenance
The Swimables replacement assembly eliminates these problems and ensures your filter stays sealed.
Technical Specifications
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Part Number: SW-26-531
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OEM Compatibility: Pentair FNS Plus, Clean & Clear, and Quad DE filters
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Material: Corrosion-resistant, heavy-duty steel and molded components
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Design: Spring-loaded barrel nut for secure clamp tension
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Function: Secures the clamp assembly to maintain watertight filter operation
Protect Your Pool Equipment with Proper Sealing
Your pool system depends on a tight, secure filter seal to maintain proper pressure and water flow. A loose or failing clamp system risks leaks, pump strain, and costly equipment damage. By replacing worn parts with the Swimables SW-26-531 Spring Barrel Nut Assembly, you maintain safe operation and extend the life of your filter and pump.
Quick and Simple Installation
The SW-26-531 is designed for fast installation, making it an easy fix for both DIY pool owners and professionals:
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Shut off the pump and release all pressure from the filter.
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Loosen and remove the existing barrel nut assembly.
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Position the new Swimables SW-26-531 in place.
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Tighten the clamp evenly, ensuring the tank halves are seated correctly.
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Restart the system and check for leaks at the seam.
With its spring-loaded design, tightening and loosening is smooth and secure.
Built to Last with Swimables Quality
Swimables is a trusted brand for aftermarket pool parts, known for producing affordable, reliable replacements that meet or exceed OEM standards. The SW-26-531 Spring Barrel Nut Assembly is built for long service life, standing up to repeated use, pool chemistry, and outdoor conditions.
Frequently Asked Questions (FAQ)
Q: Will this barrel nut fit my Pentair FNS Plus filter?
A: Yes, the Swimables SW-26-531 is compatible with Pentair FNS Plus, Clean & Clear, and Quad DE filters.
Q: What does the spring barrel nut assembly do?
A: It secures the clamp assembly around the filter tank, maintaining a safe and watertight seal under pressure.
Q: How do I know if I need to replace mine?
A: Replace it if you see cracks, stripped threads, or leaks around the clamp, or if tightening has become difficult.
Q: Can I install this part myself?
A: Yes. Installation is straightforward and requires only basic tools.
Q: Is this part resistant to rust and chemicals?
A: Yes, it is designed with corrosion-resistant materials for long-term durability.
Q: Does this part include the full clamp assembly?
A: No, this listing is for the spring barrel nut assembly only. If your clamp band is damaged, both should be replaced.
