{"product_id":"pentair-24850-0102s-bottom-tank-kit-21in-sys-iii-mod-de","title":"Pentair 24850-0102S Bottom Tank Kit - 21in, Sys III, Mod\/DE","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003ePentair 24850-0102S Bottom Tank Kit is a replacement lower tank section for 21in System III Mod\/DE filter assemblies. It forms the base housing that supports the internal filter components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003eA cracked or leaking lower tank can cause pressure loss and water leakage around the equipment pad. Replacing the bottom tank restores structural integrity and proper filtration performance. This is critical after freeze damage or long-term stress cracks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 24850-0102S\u003c\/li\u003e\n\u003cli\u003eBottom tank kit\u003c\/li\u003e\n\u003cli\u003e21in size\u003c\/li\u003e\n\u003cli\u003eFor System III Mod\/DE filters\u003c\/li\u003e\n\u003cli\u003eForms lower housing of filter Assembly\u003c\/li\u003e\n\u003cli\u003eConfirm exact filter model before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003eDrain and disassemble the filter before replacing the tank section. Inspect internal components and seals during reAssembly. Confirm by manufacturer part number before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout the Pentair Brand\u003c\/strong\u003e\u003cbr\u003ePentair manufactures a full line of filtration systems and replacement parts. Their filters are commonly installed in residential and commercial pool applications. Pentair replacement components are supported through established distribution networks. The brand maintains long-term service part availability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003eThis part is typically replaced after freeze splits, impact damage, or persistent tank leaks. It is also installed during major filter rebuilds when structural damage is found.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52078642430226,"sku":"24850-0102S","price":980.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/PEN248500102S_0.jpg?v=1772564022","url":"https:\/\/www.aquaterrabackyard.com\/products\/pentair-24850-0102s-bottom-tank-kit-21in-sys-iii-mod-de","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}