261049 | Pentair FNS Plus Filters HiFlow Multiport Valve | 2"

The OEM Pentair HiFlow Multiport Valve 261049 is designed for seamless integration with Pentair FNS Plus D.E. pool filters, delivering precise water flow control and efficient operation. With six positions—including filter, backwash, rinse, recirculate, waste, and closed—it simplifies all phases of pool maintenance. The valve features a 2-inch port size and large internal passages, optimizing flow rates and overall system efficiency. Constructed from heavy-duty, corrosion-resistant PVC, it withstands exposure to chemicals and harsh outdoor conditions. The top-mounted lever handle enables smooth transitions between settings, supporting dependable performance in residential and commercial pool environments.

Highlights

• Engineered for FNS Plus Filters: Compatible with Pentair FNSP24, FNSP36, FNSP48, and FNSP60 models for direct valve replacement.

• Six Operational Modes: Offers filter, backwash, rinse, recirculate, waste, and closed settings for full pool system control.

• Durable PVC Housing: Built with corrosion-resistant PVC to endure outdoor weather and chemical exposure.

• Optimized Flow Design: 2-inch ports and oversized internal plumbing promote efficient water movement and reduced system strain.

• Lever Handle for Easy Operation: Top-mounted lever enables fast and secure function changes with minimal effort.

Includes

• (1) Multiport Valve Assembly
• (1) Sight Glass Nipple

Compatibility

• Pentair FNS Plus Filter Models: FNSP24, FNSP36, FNSP48, FNSP60

Note: This Multiport Valve may be compatible with your filter, please refer to your owners manual to ensure compatibility.

Additional Info

Looking to replace your Pentair HiFlow Valve for an FNS Plus D.E. filter? This section answers common walk-in questions about part compatibility, installation tips after purchase, and how to identify when it’s time to grab a new one from Discount Pool Mart.

Confirming the Right Valve Before You Buy In Store

Ensure the 261049 HiFlow valve is the proper match for your filter before walking into DPM.

Can I buy this valve in store for my FNSP48 filter?

Does the 261049 fit my existing 2-inch plumbing setup?

What filter models are supported by this valve at DPM?

Is this valve in stock locally for my older Pentair filter system?

Can I match the port size before I walk in to buy?

Installing the Valve After In-Store Purchase

After picking up your valve, use this section to complete your installation with confidence.

How do I install the 261049 HiFlow valve onto my filter tank?

Is Teflon tape needed for the port fittings?

Do I need to align the spider gasket during install?

Can I reuse my existing sight glass or do I need a new one?

Diagnosing Valve Issues Before Replacing

Not sure if you need a new valve? These common symptoms suggest a visit to DPM may be in order.

Is my handle sticking because the valve is worn out?

Why is water leaking around the top of my current valve?

What does poor backwash pressure mean for my HiFlow system?

Should I replace the valve if water leaks from the waste port?

Diagram