Description
Pentair Complete Grid Set 59023400
Restore crystal-clear pool water with the Pentair Complete Grid Set 59023400, a factory-direct replacement designed for Pentair FNS Plus FNSP48 filter housings. This kit rebuilds the filtration core, returning strong flow and efficient backwashing while delivering durable, long-lasting performance trusted by pool professionals and DIYers alike.
List of Features
- Exact-fit for Pentair FNS Plus FNSP48 — precise alignment with the housing reduces bypass and maintains even flow.
- Seven large 24-inch grids plus one small 24-inch grid — provides full filtration surface for efficient debris capture.
- Top manifold with air bleed — quick priming and removal of air pockets that can impede flow.
- Grid Locator Spider Assembly included — keeps grids aligned during backwash and service for reliable performance.
- Hardware and template included — wing nut, tie rod bar, hex nut, 1/4-20 nut, and a template for easy setup.
Replacing with an authentic Pentair grid set restores filtration efficiency, water clarity, and maintenance reliability. Invest in this genuine component to protect your pool experience—add to cart and refresh your filtration system today.












