59023700 Pool Filter Top Manifold For Pentair FNS Plus FNS24 FNS36 FNS48 FNS60

Product Overview

The pool filter top manifold directs water flow into and out of the DE filter grid assembly, ensuring even distribution and effective dirt removal. This top manifold replaces cracked, warped, or clogged originals in Pentair FNS Plus systems. The pool filter top manifold maintains seal integrity for consistent filter pressure and clean pool water.

Key Features & Performance

• Direct OEM-style replacement for Pentair FNS Plus filters
• Molded from durable, chemical-resistant plastic to withstand pool environments
• Maintains proper water flow pattern across all filter grids
• Prevents bypass leaks that cause cloudy water
• Drop-in installation without special tools or modifications

Fitment & Compatibility

• Pentair FNS Plus 24 (FNS24)
• Pentair FNS Plus 36 (FNS36)
• Pentair FNS Plus 48 (FNS48)
• Pentair FNS Plus 60 (FNS60)

Common Uses

• Residential in-ground swimming pools
• Commercial pool filtration systems
• Diatomaceous earth (DE) filter maintenance
• Rebuilding Pentair FNS Plus filter tank assemblies

Technical Specifications

• Part Number(s): 59023700
• Material: High-strength molded plastic
• Compatible Filter Series: Pentair FNS Plus
• Replaces: Top manifold assembly for DE filter grids

Frequently Asked Questions

Q: How do I know if this top manifold fits my Pentair filter? A: Verify your filter model is an FNS Plus 24, 36, 48, or 60. The model number is on the filter tank label.

Q: What causes a top manifold to fail? A: Cracking often results from water hammer, freezing, or chemical degradation over time. Replacing it restores proper filtration.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.