{"product_id":"pentair-170017-48-sq-ft-fns-plus-filter-tank-bottom","title":"Pentair | 170017 | Bottom Tank for FNS-Plus D.E. Filter | 48 sq ft Replacement Part","description":"\u003cdiv class=\"flex-1 overflow-hidden\"\u003e\n\u003cdiv class=\"react-scroll-to-bottom--css-zcomy-79elbk h-full\"\u003e\n\u003cdiv class=\"react-scroll-to-bottom--css-zcomy-1n7m0yu\"\u003e\n\u003cdiv class=\"flex flex-col text-sm pb-9\"\u003e\n\u003cdiv data-scroll-anchor=\"true\" data-testid=\"conversation-turn-15\" dir=\"auto\" class=\"w-full text-token-text-primary\"\u003e\n\u003cdiv class=\"py-2 juice:py-[18px] px-3 text-base md:px-4 m-auto md:px-5 lg:px-1 xl:px-5\"\u003e\n\u003cdiv class=\"mx-auto flex flex-1 gap-3 text-base juice:gap-4 juice:md:gap-6 md:max-w-3xl lg:max-w-[40rem] xl:max-w-[48rem]\"\u003e\n\u003cdiv class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex-col gap-1 md:gap-3\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col max-w-full\"\u003e\n\u003cdiv class=\"min-h-[20px] text-message flex flex-col items-start whitespace-pre-wrap break-words [.text-message+\u0026amp;]:mt-5 juice:w-full juice:items-end overflow-x-auto gap-3\" dir=\"auto\" data-message-id=\"cf06751c-3dea-4db0-a9b1-e432b8911fb8\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cp data-start=\"109\" data-end=\"615\"\u003eThe Pentair 170017 Bottom Tank is a genuine replacement component engineered for use with 48 square-foot FNS-Plus diatomaceous earth (D.E.) pool filters. This structural tank forms the lower housing of the filter assembly and supports internal grids and manifolds while directing filtered water back to the pool circulation system. Constructed from durable, corrosion-resistant material, the bottom tank restores proper filter integrity and flow patterns when servicing or rebuilding the filtration unit.\u003c\/p\u003e\n\u003cp data-start=\"617\" data-end=\"659\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003cp data-start=\"661\" data-end=\"675\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"677\" data-end=\"1149\"\u003e• Bottom tank replacement specifically designed for 48 sq ft FNS-Plus D.E. filters.\u003cbr data-start=\"760\" data-end=\"763\"\u003e• Forms the lower housing and water chamber for filter operation.\u003cbr data-start=\"828\" data-end=\"831\"\u003e• Durable construction resists corrosion and environmental exposure.\u003cbr data-start=\"899\" data-end=\"902\"\u003e• Precision-molded to ensure proper alignment with FNS-Plus internal grids and manifolds.\u003cbr data-start=\"991\" data-end=\"994\"\u003e• Restores original filter geometry for efficient water flow and filtration.\u003cbr data-start=\"1070\" data-end=\"1073\"\u003e• Ideal service part for maintenance, repair, or complete filter rebuilds.\u003c\/p\u003e\n\u003cp data-start=\"1151\" data-end=\"1193\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003cp data-start=\"1195\" data-end=\"1213\"\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1215\" data-end=\"1794\"\u003eThe Pentair 170017 Bottom Tank serves as the foundational lower housing for 48 square-foot FNS-Plus diatomaceous earth pool filters. Installed beneath the internal grid assembly and manifold system, this component directs incoming water through the D.E. media and into the central return path, enabling thorough particulate removal and clean water circulation. When original bottom tanks become cracked, warped, or compromised due to age, impact, or chemical exposure, performance can diminish and leaks may occur; replacing the bottom tank restores proper filtration dynamics.\u003c\/p\u003e\n\u003cp data-start=\"1796\" data-end=\"2319\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eManufactured from robust, pool-grade materials engineered to withstand continuous contact with treated water and sanitizing chemicals, the 170017 bottom tank provides lasting durability in outdoor pool environments. Proper fitment with compatible upper housings, internal grids, and sealing gaskets ensures leak-resistant operation and efficient flow throughout the filter system. This replacement part is suitable for maintenance and rebuild projects that aim to return a 48 sq ft FNS-Plus filter to optimal performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"w-full md:pt-0 dark:border-white\/20 md:border-transparent md:dark:border-transparent md:w-[calc(100%-.5rem)] juice:w-full\"\u003e\n\u003cdiv class=\"px-3 text-base md:px-4 m-auto md:px-5 lg:px-1 xl:px-5\"\u003e\n\u003cdiv class=\"mx-auto flex flex-1 gap-3 text-base juice:gap-4 juice:md:gap-6 md:max-w-3xl lg:max-w-[40rem] xl:max-w-[48rem]\"\u003e\u003cform class=\"w-full\"\u003e\n\u003cdiv class=\"relative flex h-full max-w-full flex-1 flex-col\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/form\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!----\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48735890735416,"sku":"170017","price":414.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/6319\/9544\/files\/Pentair170017.png?v=1716939068","url":"https:\/\/appaetechpoolsupply.com\/products\/pentair-170017-48-sq-ft-fns-plus-filter-tank-bottom","provider":"AquaTech Pools \u0026 Spa","version":"1.0","type":"link"}