{"product_id":"pentair-420-sqft-clean-clear-plus-tank-lid","title":"Pentair 420 SqFt Clean \u0026 Clear Plus Tank Lid","description":"\u003cp data-path-to-node=\"0\" id=\"p-rc_df2bec387020cc47-98\"\u003e\u003cspan class=\"citation-210\"\u003eThe Pentair 420 SqFt Clean \u0026amp; Clear Plus Tank Lid (part number \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"62\"\u003e\u003cspan class=\"citation-210\"\u003e178581\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-210 citation-end-210\"\u003e) is a high-pressure primary containment dome engineered exclusively for maximum-capacity residential and commercial pool or spa filtration systems.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-209 citation-end-209\"\u003eThis genuine almond-colored (tan) replacement upper hull is standard hardware tailored specifically for the Pentair Clean \u0026amp; Clear Plus 420-square-foot multi-element cartridge filter model (CCP420), while also doubling as the exact structural lid configuration for the Pentair Quad D.E. 80 filtration vessel.\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\" id=\"p-rc_df2bec387020cc47-99\"\u003e\u003cspan class=\"citation-208 citation-end-208\"\u003eInjection-molded from heavy-walled, fiberglass-reinforced polypropylene, this deep-domed basin functions as the upper pressurized seal for the entire cartridge core architecture.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Its primary operational role is to safely enclose the internal matrix of four vertical cartridge elements (or D.E. cartridges) and provide a structural stabilization barrier against internal fluid dynamics. \u003cspan class=\"citation-207 citation-end-207\"\u003eThe exact peak of the dome features an integrated threaded port designed to house the system's high-flow manual air relief valve and pressure gauge assembly, allowing trapped gases to rise cleanly to the highest apex of the tank for safe evacuation.\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e The bottom perimeter of the lid features a thick-walled mating flange engineered to rest precisely atop the main tank body O-ring and lower basin, creating an absolute watertight and airtight compression boundary when locked securely by the system's heavy-duty tension control clamp kit. This robust engineering enables the large-format pressurized vessel to easily manage high-velocity hydraulic circulation and safely sustain continuous internal operating pressures up to 50 PSI without weeping, structural flexing, or risking catastrophic lid separation under severe pump startup surges. \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=\"2\" id=\"p-rc_df2bec387020cc47-100\"\u003eBuilt to withstand decades of harsh outdoor equipment pad weathering, direct sunlight UV exposure, and intense shifting seasonal temperature cycles, its advanced composite matrix completely resists material softening, stress-cracking, and corrosive degradation from direct contact with highly concentrated chemical sanitizers like chlorine, bromine, and salt-chlorine generator outputs. \u003cspan class=\"citation-206\"\u003eDue to its large-diameter, heavy-gauge reinforced polymer construction required to span a broad containment profile, this individual replacement tank lid carries a net product and shipping weight of approximately \u003c\/span\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"600\"\u003e\u003cspan class=\"citation-206\"\u003e18.75 to 22.00 pounds\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-206 citation-end-206\"\u003e.\u003csup class=\"superscript\" data-turn-source-index=\"5\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":53416349433967,"sku":"178581","price":609.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3785\/3807\/files\/178581__99202.jpg?v=1782748359","url":"https:\/\/commercialpoolandspasupplies.com\/products\/pentair-420-sqft-clean-clear-plus-tank-lid","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}