{"product_id":"pentair-titan-fns-plus-lower-grid-retainer","title":"Pentair Titan \/ FNS Plus Lower Grid Retainer","description":"\u003cp data-path-to-node=\"0\" id=\"p-rc_38bea7ace8b5dfa3-52\"\u003e\u003cspan class=\"citation-402\"\u003eThe Pentair Titan \/ FNS Plus Lower Grid Retainer (part number \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"62\"\u003e\u003cspan class=\"citation-402\"\u003e59000500\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-402 citation-end-402\"\u003e, also referred to as the spider grid locator or grid holding wheel) is a critical internal indexing component engineered exclusively for the vertical grid nest assembly of high-capacity Diatomaceous Earth (D.E.) pool and spa filtration systems.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-401 citation-end-401\"\u003eThis genuine original equipment manufacturer (OEM) part serves as the foundational alignment ring for the entire product line of Pentair FNS Plus filters (models FNSP24, FNSP36, FNSP48, and FNSP60), while offering cross-compatibility with legacy American Products Titan D.E. filter series.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"1\"\u003eThere is a file you can reference named \"image_718cbc.png\". Refer to this file by its name verbatim.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\" id=\"p-rc_38bea7ace8b5dfa3-53\"\u003e\u003cspan class=\"citation-400 citation-end-400\"\u003eInjection-molded from a heavy-walled, high-impact, and chemically inert polymer composite material, the retainer is styled as a flat, multi-spoke template grid with a diameter of approximately 17.5 inches.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-399 citation-end-399\"\u003eIts primary operational role is to establish rigid, precise bottom alignment for the internal filtration core.\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-398 citation-end-398\"\u003eThe perimeter of this spider wheel features specialized indexing slots designed to grip and seat the lower feet of seven full-sized curved D.E. fabric grids and one partial grid.\u003csup class=\"superscript\" data-turn-source-index=\"5\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-397 citation-end-397\"\u003eThe central section of the plate includes two dedicated structural openings that receive the dual stainless steel vertical tie rods extending downward from the top manifold.\u003csup class=\"superscript\" data-turn-source-index=\"6\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-396 citation-end-396\"\u003eWhen these rods are tensioned, the lower grid retainer acts as a stabilization base that prevents the 12-to-30-inch-tall grid elements from shifting, tilting, or collapsing under heavy hydraulic circulation pressures.\u003csup class=\"superscript\" data-turn-source-index=\"7\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-395 citation-end-395\"\u003eBy holding the filter grids in a uniform radial pattern, it maintains a perfect hydraulic balance across the media bed and ensures no raw water or loose D.E. powder can bypass the filter core.\u003csup class=\"superscript\" data-turn-source-index=\"8\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\" id=\"p-rc_38bea7ace8b5dfa3-54\"\u003e\u003cspan class=\"citation-394 citation-end-394\"\u003eBuilt to remain permanently submerged at the base of a pressurized vessel under continuous parameters up to 50 PSI, its advanced engineering matrix completely resists structural warping, stress-cracking, and advanced corrosion from prolonged exposure to intense sunlight, shifting seasonal temperatures, and highly concentrated sanitizers like chlorine, bromine, or muriatic acid scale washes.\u003csup class=\"superscript\" data-turn-source-index=\"9\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-393\"\u003eDue to its wide, lightweight open-spoke configuration, this replacement lower grid retainer carries a net product and shipping weight of approximately \u003c\/span\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"545\"\u003e\u003cspan class=\"citation-393\"\u003e2.10 pounds\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-393 citation-end-393\"\u003e (about 33.6 ounces).\u003csup class=\"superscript\" data-turn-source-index=\"10\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"1\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":53475336913007,"sku":"59000500","price":150.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3785\/3807\/files\/232718_ea0db4f6-5583-4487-a026-5694f781ccb6.webp?v=1782833032","url":"https:\/\/commercialpoolandspasupplies.com\/products\/pentair-titan-fns-plus-lower-grid-retainer","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}