{"product_id":"pentair-24851-9000-lid-kit-system-3-filter-21in","title":"Pentair 24851-9000 System 3 Filter Lid Kit - 21in","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003ePentair 24851-9000 Lid Kit - System 3, Filter, 21in is a replacement lid kit for compatible Pentair System 3 21in filter tanks. It covers and seals the filter housing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003eA secure lid ensures stable internal pressure and prevents water leaks. Cracks or damaged lids can compromise filtration performance. Replacing the kit restores safe system operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePentair manufacturer part number 24851-9000\u003c\/li\u003e\n\u003cli\u003eFor System 3 21in filter\u003c\/li\u003e\n\u003cli\u003eLid kit assembly configuration\u003c\/li\u003e\n\u003cli\u003eTop housing cover component\u003c\/li\u003e\n\u003cli\u003eOEM Pentair replacement part\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003eShut off the pump and relieve all pressure before removing the lid. Inspect gasket and mating surfaces prior to installation. Confirm by manufacturer part number before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout the Pentair Brand\u003c\/strong\u003e\u003cbr\u003ePentair has produced System 3 filters for many years in residential pool systems. Their OEM replacement lids maintain correct fit and pressure rating. Using genuine Pentair parts supports long term reliability. Service technicians depend on Pentair for filter components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003eThis lid kit is often installed when aging lids develop cracks from UV exposure or pressure stress.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52078616445202,"sku":"24851-9000","price":877.66,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/PEN248519000_0.jpg?v=1772563115","url":"https:\/\/www.aquaterrabackyard.com\/products\/pentair-24851-9000-lid-kit-system-3-filter-21in","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}