{"product_id":"pentairfnsplustankbottomassembly36sf170016pen170016","title":"Pentair FNS Plus Tank Bottom Assembly 36 sf | 170016","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"406\" data-start=\"61\"\u003e\u003cstrong data-end=\"81\" data-start=\"61\"\u003eProduct Overview\u003c\/strong\u003e\u003cbr data-end=\"84\" data-start=\"81\"\u003eThe Pentair 170016 FNS Plus Tank Bottom Assembly is a genuine OEM replacement lower tank body for the Pentair FNS Plus 36 sq ft D.E. filter. This assembly forms the bottom half of the filter tank and supports the internal standpipe, grid assembly, bulkhead fittings, and sealing surface needed for proper filter operation.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"566\" data-start=\"408\"\u003eThis replacement part is commonly used when the original tank bottom is cracked, leaking, damaged, or no longer sealing properly at the clamp band connection.\u003c\/p\u003e\n\u003cp data-end=\"674\" data-start=\"568\"\u003e\u003cstrong data-end=\"581\" data-start=\"568\"\u003eIdeal For\u003c\/strong\u003e\u003cbr data-end=\"584\" data-start=\"581\"\u003eReplacing the lower tank body on a Pentair FNS Plus 36 sq ft D.E. filter model \u003cstrong data-end=\"673\" data-start=\"663\"\u003eFNSP36\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"694\" data-start=\"676\"\u003e\u003cstrong data-end=\"692\" data-start=\"676\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1216\" data-start=\"695\"\u003e\n\u003cli data-end=\"735\" data-start=\"695\" data-section-id=\"bdurqg\"\u003eGenuine Pentair OEM replacement part\u003c\/li\u003e\n\u003cli data-end=\"791\" data-start=\"736\" data-section-id=\"15f19lf\"\u003eDesigned for Pentair FNS Plus 36 sq ft D.E. filters\u003c\/li\u003e\n\u003cli data-end=\"833\" data-start=\"792\" data-section-id=\"1obms6r\"\u003eReplaces the lower tank body assembly\u003c\/li\u003e\n\u003cli data-end=\"883\" data-start=\"834\" data-section-id=\"1d85jla\"\u003eHelps restore proper filter housing integrity\u003c\/li\u003e\n\u003cli data-end=\"942\" data-start=\"884\" data-section-id=\"7smnra\"\u003eSupports the internal standpipe and D.E. grid assembly\u003c\/li\u003e\n\u003cli data-end=\"1016\" data-start=\"943\" data-section-id=\"1nofn73\"\u003eProvides the lower sealing surface for the tank O-ring and clamp band\u003c\/li\u003e\n\u003cli data-end=\"1072\" data-start=\"1017\" data-section-id=\"ckod0r\"\u003eDurable molded construction for pool filtration use\u003c\/li\u003e\n\u003cli data-end=\"1134\" data-start=\"1073\" data-section-id=\"12c8pql\"\u003eUsed for cracked, leaking, or damaged tank bottom repairs\u003c\/li\u003e\n\u003cli data-end=\"1216\" data-start=\"1135\" data-section-id=\"tjxsnt\"\u003eHelps avoid replacing the complete filter when only the lower tank is damaged\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1599\" data-start=\"1218\"\u003e\u003cstrong data-end=\"1230\" data-start=\"1218\"\u003eBenefits\u003c\/strong\u003e\u003cbr data-end=\"1233\" data-start=\"1230\"\u003eThe Pentair 170016 tank bottom assembly helps restore the structural base of the FNS Plus filter. A damaged or cracked tank bottom can cause leaks, pressure issues, or unsafe filter operation. Replacing the lower tank assembly with the correct OEM part helps maintain proper filtration performance and keeps the filter housing matched to the original factory design.\u003c\/p\u003e\n\u003cp data-end=\"1713\" data-start=\"1601\"\u003eThis is a practical repair option when the upper tank, clamp, grids, and other components are still serviceable.\u003c\/p\u003e\n\u003cp data-end=\"1835\" data-start=\"1715\"\u003e\u003cstrong data-end=\"1732\" data-start=\"1715\"\u003eCompatibility\u003c\/strong\u003e\u003cbr data-end=\"1735\" data-start=\"1732\"\u003eDesigned for the \u003cstrong data-end=\"1793\" data-start=\"1752\"\u003ePentair FNS Plus 36 sq ft D.E. filter\u003c\/strong\u003e, commonly identified as model \u003cstrong data-end=\"1834\" data-start=\"1824\"\u003eFNSP36\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"2069\" data-start=\"1837\"\u003eAlways confirm your filter model number, tank size, clamp style, and parts diagram before ordering. Some older FNS Plus filter configurations may require additional parts depending on the existing clamp band and internal components.\u003c\/p\u003e\n\u003cp data-end=\"2089\" data-start=\"2071\"\u003e\u003cstrong data-end=\"2089\" data-start=\"2071\"\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"2739\" data-start=\"2091\"\u003e\n\u003cthead data-end=\"2118\" data-start=\"2091\"\u003e\n\u003ctr data-end=\"2118\" data-start=\"2091\"\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"2107\" data-start=\"2091\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"2118\" data-start=\"2107\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"2739\" data-start=\"2129\"\u003e\n\u003ctr data-end=\"2148\" data-start=\"2129\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2137\" data-start=\"2129\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2148\" data-start=\"2137\"\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2200\" data-start=\"2149\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2164\" data-start=\"2149\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2200\" data-start=\"2164\"\u003eD.E. Filter Tank Bottom Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2238\" data-start=\"2201\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2228\" data-start=\"2201\"\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd data-end=\"2238\" data-start=\"2228\" data-col-size=\"sm\"\u003e170016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2255\" data-start=\"2239\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2245\" data-start=\"2239\"\u003eSKU\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2255\" data-start=\"2245\"\u003e170016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2301\" data-start=\"2256\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2272\" data-start=\"2256\"\u003eBarcode \/ UPC\u003c\/td\u003e\n\u003ctd data-end=\"2301\" data-start=\"2272\" data-col-size=\"sm\"\u003eConfirm before publishing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2330\" data-start=\"2302\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2318\" data-start=\"2302\"\u003eFilter Series\u003c\/td\u003e\n\u003ctd data-end=\"2330\" data-start=\"2318\" data-col-size=\"sm\"\u003eFNS Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2357\" data-start=\"2331\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2345\" data-start=\"2331\"\u003eFilter Size\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2357\" data-start=\"2345\"\u003e36 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2394\" data-start=\"2358\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2384\" data-start=\"2358\"\u003eCompatible Filter Model\u003c\/td\u003e\n\u003ctd data-end=\"2394\" data-start=\"2384\" data-col-size=\"sm\"\u003eFNSP36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2424\" data-start=\"2395\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2409\" data-start=\"2395\"\u003eFilter Type\u003c\/td\u003e\n\u003ctd data-end=\"2424\" data-start=\"2409\" data-col-size=\"sm\"\u003eD.E. Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2472\" data-start=\"2425\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2440\" data-start=\"2425\"\u003eTank Section\u003c\/td\u003e\n\u003ctd data-end=\"2472\" data-start=\"2440\" data-col-size=\"sm\"\u003eBottom \/ Lower Tank Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2497\" data-start=\"2473\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2481\" data-start=\"2473\"\u003eColor\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2497\" data-start=\"2481\"\u003eTan \/ Almond\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2550\" data-start=\"2498\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2523\" data-start=\"2498\"\u003eApproximate Dimensions\u003c\/td\u003e\n\u003ctd data-end=\"2550\" data-start=\"2523\" data-col-size=\"sm\"\u003e22\" L x 22\" W x 33.5\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2601\" data-start=\"2551\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2562\" data-start=\"2551\"\u003eIncludes\u003c\/td\u003e\n\u003ctd data-end=\"2601\" data-start=\"2562\" data-col-size=\"sm\"\u003eTank bottom assembly with standpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2651\" data-start=\"2602\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2616\" data-start=\"2602\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-end=\"2651\" data-start=\"2616\" data-col-size=\"sm\"\u003ePool and spa D.E. filter repair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2695\" data-start=\"2652\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2672\" data-start=\"2652\"\u003eOEM \/ Aftermarket\u003c\/td\u003e\n\u003ctd data-end=\"2695\" data-start=\"2672\" data-col-size=\"sm\"\u003eGenuine OEM Pentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2739\" data-start=\"2696\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2724\" data-start=\"2696\"\u003eProfessional Installation\u003c\/td\u003e\n\u003ctd data-end=\"2739\" data-start=\"2724\" data-col-size=\"sm\"\u003eRecommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-end=\"3077\" data-start=\"2741\"\u003e\u003cstrong data-end=\"2772\" data-start=\"2741\"\u003eImportant Installation Note\u003c\/strong\u003e\u003cbr data-end=\"2775\" data-start=\"2772\"\u003eBefore replacing the tank bottom assembly, fully shut down the pool system, release all filter pressure, and confirm the filter is completely depressurized. Inspect the tank O-ring, clamp band, bulkhead fittings, standpipe, grids, manifold, air relief assembly, and drain components during replacement.\u003c\/p\u003e\n\u003cp data-end=\"3211\" data-start=\"3079\"\u003eFor older FNS Plus filters, confirm whether your existing clamp band is compatible with the replacement tank bottom before ordering.\u003c\/p\u003e\n\u003cp data-end=\"3236\" data-start=\"3213\"\u003e\u003cstrong data-end=\"3236\" data-start=\"3213\"\u003eCustomer-Facing Q\u0026amp;A\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3374\" data-start=\"3238\"\u003e\u003cstrong data-end=\"3282\" data-start=\"3238\"\u003eQ: What is Pentair part 170016 used for?\u003c\/strong\u003e\u003cbr data-end=\"3285\" data-start=\"3282\"\u003eA: It replaces the lower tank body assembly on the Pentair FNS Plus 36 sq ft D.E. filter.\u003c\/p\u003e\n\u003cp data-end=\"3491\" data-start=\"3376\"\u003e\u003cstrong data-end=\"3410\" data-start=\"3376\"\u003eQ: Which filter does this fit?\u003c\/strong\u003e\u003cbr data-end=\"3413\" data-start=\"3410\"\u003eA: It is designed for the Pentair FNS Plus 36 sq ft D.E. filter, model FNSP36.\u003c\/p\u003e\n\u003cp data-end=\"3616\" data-start=\"3493\"\u003e\u003cstrong data-end=\"3532\" data-start=\"3493\"\u003eQ: Does this include the standpipe?\u003c\/strong\u003e\u003cbr data-end=\"3535\" data-start=\"3532\"\u003eA: Yes. This tank bottom assembly is commonly listed with the standpipe included.\u003c\/p\u003e\n\u003cp data-end=\"3827\" data-start=\"3618\"\u003e\u003cstrong data-end=\"3653\" data-start=\"3618\"\u003eQ: Is this the complete filter?\u003c\/strong\u003e\u003cbr data-end=\"3656\" data-start=\"3653\"\u003eA: No. This is the bottom tank assembly only. It does not include the upper tank, clamp band, complete grid set, manifold, or full filter assembly unless otherwise stated.\u003c\/p\u003e\n\u003cp data-end=\"3993\" data-start=\"3829\"\u003e\u003cstrong data-end=\"3877\" data-start=\"3829\"\u003eQ: Can this fix a cracked lower filter tank?\u003c\/strong\u003e\u003cbr data-end=\"3880\" data-start=\"3877\"\u003eA: Yes, if the damage is limited to the lower tank section and the rest of the filter is still in good condition.\u003c\/p\u003e\n\u003cp data-end=\"4185\" data-start=\"3995\"\u003e\u003cstrong data-end=\"4054\" data-start=\"3995\"\u003eQ: Should the tank O-ring be replaced at the same time?\u003c\/strong\u003e\u003cbr data-end=\"4057\" data-start=\"4054\"\u003eA: It is recommended to inspect and replace worn O-rings, seals, and related hardware during tank service to help prevent leaks.\u003c\/p\u003e\n\u003cp data-end=\"4357\" data-start=\"4187\"\u003e\u003cstrong data-end=\"4235\" data-start=\"4187\"\u003eQ: Is professional installation recommended?\u003c\/strong\u003e\u003cbr data-end=\"4238\" data-start=\"4235\"\u003eA: Yes. D.E. filters operate under pressure, so professional installation is recommended for safety and proper fitment.\u003c\/p\u003e\n\u003c!--split--\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52762832011574,"sku":"PEN170016 -H","price":398.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/image_a04781a8-bdbb-4d2d-a3e8-484e918b6a36.jpg?v=1782970068","url":"https:\/\/poolsupplydepot.net\/products\/pentairfnsplustankbottomassembly36sf170016pen170016","provider":"Pool Supply Depot","version":"1.0","type":"link"}