Pentair Grid Assembly for FNS Plus FNSP48 48 Sq Ft D.E. Filter | 59002500

Pentair Grid Assembly for FNS Plus FNSP48 48 SqFt D.E. Filter | 59002500

Pentair 59002500 complete grid assembly for FNS Plus FNSP48 48 sqft D.E. filters. Restores filtration performance and efficiency.

Features

• Complete grid assembly for quick replacement.
• Designed for FNS Plus FNSP48 48 sqft D.E. filters.
• Restores full filtration efficiency and water clarity.
• Captures fine debris and particles.
• Durable construction for long service life.

Description

The Pentair 59002500 complete element assembly is a direct replacement grid set for FNS Plus FNSP48 48 sqft D.E. filters. It includes the full internal grid assembly, allowing for quick and efficient replacement without the need to rebuild individual grids.

Designed for exact compatibility, this assembly restores filtration performance by ensuring proper D.E. distribution across all grids. It captures fine particles that standard filters miss, improving overall water clarity and system efficiency.

Installation is straightforward—remove the old assembly and drop in the new one—making it an ideal solution for reducing maintenance time and avoiding complex grid repairs. Built from durable materials, it withstands repeated cleaning cycles, pressure, and pool chemicals for long-lasting performance.

Pro Tip

If your filter pressure stays high after cleaning, it’s often time to replace the full grid assembly. Pair with fresh D.E. powder for optimal performance.

Related Parts

• Pentair FNS Plus 48 Sq Ft Filter | 180008

Installation Tips

Turn off system pressure before opening the filter. Remove the old grid assembly carefully and install the new unit, ensuring proper alignment. Recharge with the correct amount of D.E. powder before startup.

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

• Pentair Warranty
  
• A&A (Pentair In-Floor) Warranty
  
• Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
  
• Paramount Warranty
  
• BlueSquare Warranty
  
• Hayward Warranty
  
• All Other Manufacturer Warranties
  

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.