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Pentair FNS Plus

A Comprehensive Guide to Pentair FNS Plus: Efficiency and Reliability Combined

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Dive into the world of Pentair FNS Plus, the high-performing diatomaceous earth (DE) pool filter. Learn about its features, maintenance tips, and why it’s a smart choice for your pool.


A sparkling clean pool is the cornerstone of a delightful swimming experience, and achieving that requires efficient filtering technology. Among the best filtration systems in the market, Pentair FNS Plus stands out for its exceptional performance, durability, and ease of use.

FNS Plus

What is Pentair FNS Plus?

The Pentair FNS Plus is a Diatomaceous Earth (DE) pool filter designed to provide superior filtration without compromising on flow rates. Its curved vertical grids maximize the filtering surface area, allowing for better performance and less frequent cleaning. It is known for its unparalleled ability to trap even the smallest debris, offering a level of clarity that is hard to match.

Features of Pentair FNS Plus

Pentair FNS Plus comes packed with features that make it a reliable choice for pool owners. It utilizes a unique internal design that reduces the amount of required DE, making it an efficient choice for environmental enthusiasts. The filter’s fiberglass-reinforced polypropylene construction adds to its durability, making it a lasting solution for your pool filtration needs.

Should you require any maintenance or service, Superior Pool Service is always ready with its specialized Equipment Repair services.

Efficiency and Filtration Performance

The efficiency of Pentair FNS Plus is one of its most attractive features. It is engineered to offer the highest level of filtration down to 3-5 microns. This fine level of filtration ensures that your pool water is free from all sorts of microscopic particles, providing unmatched clarity and quality.

Maintenance Guidelines

Proper maintenance of your Pentair FNS Plus will extend its lifespan and maintain its efficacy. Regular backwashing and DE replacement are critical to its performance. If you encounter issues that require more than simple maintenance, our Equipment Replacement services are available to ensure your pool continues to function optimally.

Safety and Reliability

One of the primary concerns for pool owners is safety, and Pentair FNS Plus covers that comprehensively. The secure clamp ring ensures that the filter is tightly sealed, eliminating the risk of leakage. If you suspect leaks, Superior Pool Service provides professional Leak Detection services to allay your concerns.

Compatibility and Automation

The Pentair FNS Plus is compatible with various pool sizes and types, including in-ground and above-ground pools. For those interested in automation, it can be integrated into existing Pool Automation systems, simplifying the control over various pool functions.

Plumbing and Structural Considerations

Your pool’s plumbing and structural condition can affect the performance of your Pentair FNS Plus filter. It is advisable to get professional services for Plumbing Repair and Cracks and Structural Repair to avoid any performance issues with your filtration system.

Future-Proofing with Pentair FNS Plus

Pentair FNS Plus offers a sustainable, future-proof solution for pool owners who seek to balance performance and environmental responsibility. Its energy-efficient operations and reduced DE requirements make it a forward-thinking choice. To explore other efficient options, you can visit Pentair’s official site.

Final Thoughts

The Pentair FNS Plus is more than just a filtration system; it’s an investment in the health and happiness of your family. By choosing this highly efficient, durable, and safe filter, you ensure years of clear and sparkling water for your pool.

For further assistance, Superior Pool Service is just a call or email away. You can reach us at Phone Number: 972-221-2253 or Email Address: info@superiorpoolservice.com. With decades of experience, we are committed to offering top-notch services to ensure that your pool remains a sanctuary of relaxation and joy.


Pentair FNS Plus has set a new standard in the pool filtration industry. Its remarkable efficiency, safety features, and adaptability make it a favorite among pool owners. It’s not just a product, but a comprehensive filtration solution that aligns with the evolving needs of contemporary pool management. Choose Pentair FNS Plus for a future-proof, highly efficient pool experience. Superior Pool Service is always available to guide you through installation, maintenance, and any other pool-related queries you may have.

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