{"product_id":"pentair-clean-and-clear-plus-520-cartridge-filter-pentair-clean-clear-plus-520-tank-lid-assembly-178582","title":"Pentair 178582 Clean \u0026 Clear Plus 520 Tank Lid Assembly – Clean And Clear Plus 520 Cartridge Filter","description":"\u003cdiv class=\"rte\"\u003e\n\u003ch2\u003ePentair Clean \u0026amp; Clear Plus 520 Tank Lid Assembly | 178582\u003c\/h2\u003e\n\u003cp\u003eReplacement lid for Pentair Clean \u0026amp; Clear Plus 520 filter tank. Ensures proper seal and pressure integrity. SKU 178582.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOEM replacement lid built to restore full sealing performance\u003c\/li\u003e\n\u003cli\u003eCompatible with 520 sq ft Clean \u0026amp; Clear Plus and Quad D.E. 100 filters\u003c\/li\u003e\n\u003cli\u003eReinforced polypropylene construction resists pool chemicals\u003c\/li\u003e\n\u003cli\u003eAlmond-tan finish matches original equipment\u003c\/li\u003e\n\u003cli\u003eDimensional match, no plumbing changes required\u003c\/li\u003e\n\u003cli\u003eApprox. weight ~17.4 lbs; ships in 21.8 × 20.8 × 25.5 in box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Pentair 178582 Tank Lid Assembly is engineered as a durable replacement for the top cover of your 520 sq ft Clean \u0026amp; Clear Plus cartridge filter or compatible Quad D.E. 100 unit. Designed for long-term exposure to pool environments, its reinforced polypropylene structure resists cracking, UV damage, and chemical degradation. The precision molding ensures dimensional integrity — restoring the proper seal and maintaining tank pressure without requiring any modifications. This lid maintains performance consistency for your filtration system by preserving water flow and preventing leaks.\u003c\/p\u003e\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eFor best results, replace the air relief valve and pressure gauge if yours are worn; they often fail before the lid. Pair with Pentair\u003cspan\u003e 192320 O-Ring \u003c\/span\u003e(bulkhead seal) for a tight fit.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eAlways depressurize and shut off pump before removing or installing the lid. Ensure the O-ring\/gasket is clean, lubricated with silicone, and properly seated before tightening. Do not overtighten; crush the seal.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Cavanaugh Pool, Spa \u0026 Patio, Inc.","offers":[{"title":"Default Title","offer_id":62589954392435,"sku":"178582","price":444.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/2464\/4211\/files\/51ZZ6PXgLeL._AC_SX522.jpg?v=1772565357","url":"https:\/\/shop.cavanaughpool.com\/products\/pentair-clean-and-clear-plus-520-cartridge-filter-pentair-clean-clear-plus-520-tank-lid-assembly-178582","provider":"Cavanaugh Pool, Spa \u0026 Patio, Inc.","version":"1.0","type":"link"}