{"product_id":"pentairgridassemblyforfnsplus3659023500pen59023500","title":"Pentair OEM Grid Assembly for FNS Plus 36 | 59023500","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Pentair 59023500 Grid Assembly is a genuine replacement complete D.E. grid assembly designed for the Pentair FNS Plus 36 sq. ft. D.E. filter. This pre-assembled internal grid cluster replaces the filter’s worn, torn, cracked, or damaged internal grid set to help restore proper filtration performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis assembly is designed as a drop-in replacement for compatible 36 sq. ft. vertical-grid D.E. filters and includes the main internal grid components needed to replace the complete element cluster. It is ideal when individual grids are damaged, the manifold is worn, or the full internal assembly needs to be replaced.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eIdeal For\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePentair FNS Plus 36 sq. ft. D.E. filter repairs\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eReplacing worn or torn D.E. grids\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eReplacing a damaged internal grid cluster\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRestoring filter efficiency and water clarity\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePool service technicians\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eResidential pool filter maintenance\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eD.E. filter rebuilds\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eGenuine Pentair replacement grid assembly\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDesigned for FNS Plus 36 sq. ft. D.E. filters\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eComplete pre-assembled internal element cluster\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIncludes eight 18-inch grids\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIncludes top manifold, bottom manifold, and tie rods\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDrop-in design helps simplify filter rebuilds\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRestores proper D.E. filtration performance\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIdeal replacement when multiple grids or manifolds are damaged\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eBenefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Pentair 59023500 complete grid assembly helps restore filtration performance by replacing the internal D.E. grid cluster inside a compatible FNS Plus 36 filter. Over time, D.E. grids can tear, crack, warp, or become clogged with scale and oils that no longer clean out properly. Replacing the complete assembly can improve water clarity, filter efficiency, and system performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBecause this is a complete pre-assembled grid assembly, it helps save time compared to rebuilding the filter with individual grids and manifold parts separately. This makes it a practical choice for service technicians and pool owners who want a cleaner, more efficient repair.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePentair\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eComplete D.E. Grid Assembly\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGrid Assembly for FNS Plus 36\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSKU\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e59023500\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturer Part Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e59023500\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOEM \/ Aftermarket\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGenuine Pentair Replacement\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFilter Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eD.E. Filter\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFilter Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e36 sq. ft.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGrid Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18 in.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGrid Quantity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Total Grids\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGrid Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7 Full Grids and 1 Partial Grid\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIncludes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTop manifold, bottom manifold, grids, tie rods\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible Filter Model\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePentair FNS Plus 36 \/ FNSP36\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAlso Used With\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSelect Pentair\/PacFab\/Purex\/American Products 36 sq. ft. FNS Plus D.E. filters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary Use\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eReplaces complete internal D.E. element grid cluster\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBarcode\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConfirm before publishing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCustomer-Facing Q\u0026amp;A\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat does the Pentair 59023500 replace?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe Pentair 59023500 replaces the complete internal D.E. grid assembly on compatible FNS Plus 36 sq. ft. D.E. filters.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDoes this include all the grids?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. This assembly includes eight 18-inch grids, commonly configured as seven full grids and one partial grid.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eIs this already assembled?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. This is commonly sold as a pre-assembled complete grid assembly, making it easier to install compared to replacing each grid individually.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhich filter does this fit?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis part is designed for the Pentair FNS Plus 36 sq. ft. D.E. filter, commonly listed as model FNSP36. It may also fit select older Pentair, PacFab, Purex, and American Products FNS Plus 36 sq. ft. filters.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDoes this include the tank or filter housing?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This is only the internal grid assembly. It does not include the filter tank, clamp, lid, valve, plumbing, or D.E. powder.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhen should I replace the full grid assembly?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eReplace the full assembly if multiple grids are torn, cracked, warped, heavily scaled, or if the manifold or tie rods are damaged.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eConfirm Before Ordering\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConfirm your filter model and square footage before ordering. This assembly is for the FNS Plus 36 sq. ft. D.E. filter and uses 18-inch grids. It is not for FNS Plus 24, 48, or 60 sq. ft. models. Always relieve system pressure, shut off equipment, and follow the filter manufacturer’s service instructions before opening any pressurized filter tank.\u003c\/span\u003e\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52762833781046,"sku":"PEN59023500 -H","price":349.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/PEN59023500_0.jpg?v=1755535766","url":"https:\/\/poolsupplydepot.net\/products\/pentairgridassemblyforfnsplus3659023500pen59023500","provider":"Pool Supply Depot","version":"1.0","type":"link"}