{"product_id":"pentairfnsplustanklidassembly48sf170021pen170021","title":"Pentair FNS Plus Tank Lid Assembly 48 sq ft | 170021","description":"\u003ch2 data-section-id=\"53drpp\" data-start=\"589\" data-end=\"610\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"611\" data-end=\"977\"\u003eThe \u003cstrong data-start=\"615\" data-end=\"671\"\u003ePentair FNS Plus Tank Lid Assembly 48 sq ft | 170021\u003c\/strong\u003e is a genuine Pentair replacement tank lid designed for the \u003cstrong data-start=\"731\" data-end=\"792\"\u003ePentair FNS Plus FNSP48 48 sq ft D.E. pool and spa filter\u003c\/strong\u003e. This replacement lid helps restore the filter’s sealing surface, pressure integrity, and safe operation when the original lid is cracked, damaged, worn, or no longer sealing properly.\u003c\/p\u003e\n\u003cp data-start=\"979\" data-end=\"1267\"\u003eBuilt from \u003cstrong data-start=\"990\" data-end=\"1029\"\u003efiberglass-reinforced polypropylene\u003c\/strong\u003e, this lid is designed for strength, chemical resistance, and durability in pool equipment environments. It is commonly listed for use with the \u003cstrong data-start=\"1173\" data-end=\"1220\"\u003eFNS Plus 48 sq ft vertical grid D.E. filter\u003c\/strong\u003e and is identified with UPC \u003cstrong data-start=\"1248\" data-end=\"1264\"\u003e788379670818\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1269\" data-end=\"1272\"\u003e\n\u003ch2 data-section-id=\"4fdhx7\" data-start=\"1274\" data-end=\"1288\"\u003eIdeal For\u003c\/h2\u003e\n\u003cul data-start=\"1289\" data-end=\"1644\"\u003e\n\u003cli data-section-id=\"vfa3ns\" data-start=\"1289\" data-end=\"1324\"\u003ePentair FNS Plus FNSP48 filters\u003c\/li\u003e\n\u003cli data-section-id=\"qpftn7\" data-start=\"1325\" data-end=\"1363\"\u003e48 sq ft D.E. pool and spa filters\u003c\/li\u003e\n\u003cli data-section-id=\"19fgauw\" data-start=\"1364\" data-end=\"1408\"\u003eReplacing cracked or damaged filter lids\u003c\/li\u003e\n\u003cli data-section-id=\"13v9xic\" data-start=\"1409\" data-end=\"1442\"\u003eRestoring proper tank sealing\u003c\/li\u003e\n\u003cli data-section-id=\"1fb2xhy\" data-start=\"1443\" data-end=\"1466\"\u003eFilter tank repairs\u003c\/li\u003e\n\u003cli data-section-id=\"1h1c6d3\" data-start=\"1467\" data-end=\"1502\"\u003ePool equipment pad service work\u003c\/li\u003e\n\u003cli data-section-id=\"1dl288k\" data-start=\"1503\" data-end=\"1530\"\u003eD.E. filter maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"afgwfd\" data-start=\"1531\" data-end=\"1572\"\u003eProfessional pool service technicians\u003c\/li\u003e\n\u003cli data-section-id=\"4s2t8m\" data-start=\"1573\" data-end=\"1604\"\u003eOEM filter part replacement\u003c\/li\u003e\n\u003cli data-section-id=\"q0ixpk\" data-start=\"1605\" data-end=\"1644\"\u003eResidential pool filtration systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1646\" data-end=\"1649\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"1651\" data-end=\"1668\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1669\" data-end=\"2701\"\u003e\n\u003cli data-section-id=\"1i34hqp\" data-start=\"1669\" data-end=\"1770\"\u003e\n\u003cstrong data-start=\"1671\" data-end=\"1707\"\u003eGenuine Pentair replacement part\u003c\/strong\u003e — OEM lid assembly designed for compatible FNS Plus filters.\u003c\/li\u003e\n\u003cli data-section-id=\"1gumq38\" data-start=\"1771\" data-end=\"1857\"\u003e\n\u003cstrong data-start=\"1773\" data-end=\"1806\"\u003eFits FNS Plus 48 sq ft filter\u003c\/strong\u003e — made for the Pentair FNSP48 D.E. filter model.\u003c\/li\u003e\n\u003cli data-section-id=\"r0smc2\" data-start=\"1858\" data-end=\"1952\"\u003e\n\u003cstrong data-start=\"1860\" data-end=\"1885\"\u003eRestores tank sealing\u003c\/strong\u003e — helps maintain proper filter pressure and leak-free operation.\u003c\/li\u003e\n\u003cli data-section-id=\"hesvue\" data-start=\"1953\" data-end=\"2086\"\u003e\n\u003cstrong data-start=\"1955\" data-end=\"2007\"\u003eFiberglass-reinforced polypropylene construction\u003c\/strong\u003e — strong, chemical-resistant material built for pool equipment environments.\u003c\/li\u003e\n\u003cli data-section-id=\"b5tjd3\" data-start=\"2087\" data-end=\"2167\"\u003e\n\u003cstrong data-start=\"2089\" data-end=\"2111\"\u003eTan \/ cream finish\u003c\/strong\u003e — matches compatible FNS Plus filter tank assemblies.\u003c\/li\u003e\n\u003cli data-section-id=\"6ih1rw\" data-start=\"2168\" data-end=\"2269\"\u003e\n\u003cstrong data-start=\"2170\" data-end=\"2210\"\u003eDesigned for D.E. filtration systems\u003c\/strong\u003e — supports safe operation of vertical grid D.E. filters.\u003c\/li\u003e\n\u003cli data-section-id=\"1qymobo\" data-start=\"2270\" data-end=\"2429\"\u003e\n\u003cstrong data-start=\"2272\" data-end=\"2304\"\u003eService replacement solution\u003c\/strong\u003e — replaces only the tank lid instead of the complete filter when the bottom tank and internal components are still usable.\u003c\/li\u003e\n\u003cli data-section-id=\"1h10qgm\" data-start=\"2430\" data-end=\"2518\"\u003e\n\u003cstrong data-start=\"2432\" data-end=\"2456\"\u003eOEM fit and function\u003c\/strong\u003e — designed to match supported Pentair filter part diagrams.\u003c\/li\u003e\n\u003cli data-section-id=\"70uqz\" data-start=\"2519\" data-end=\"2599\"\u003e\n\u003cstrong data-start=\"2521\" data-end=\"2550\"\u003ePressure-system component\u003c\/strong\u003e — critical part for safe filtration operation.\u003c\/li\u003e\n\u003cli data-section-id=\"kvaqy7\" data-start=\"2600\" data-end=\"2701\"\u003e\n\u003cstrong data-start=\"2602\" data-end=\"2631\"\u003eProfessional service part\u003c\/strong\u003e — recommended for qualified pool equipment repair and installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2703\" data-end=\"2706\"\u003e\n\u003ch2 data-section-id=\"33fg5d\" data-start=\"2708\" data-end=\"2721\"\u003eBenefits\u003c\/h2\u003e\n\u003cp data-start=\"2722\" data-end=\"2974\"\u003eThe Pentair 170021 tank lid assembly helps restore safe, dependable operation to compatible FNS Plus 48 sq ft D.E. filters. A damaged lid can cause leaks, poor sealing, pressure loss, unsafe operation, or difficulty keeping the filter properly clamped.\u003c\/p\u003e\n\u003cp data-start=\"2976\" data-end=\"3260\"\u003eReplacing the lid with the correct OEM part helps maintain the filter’s original design fit and pressure-rated sealing performance. This is especially important because pool filters operate under pressure and must be assembled with the correct lid, clamp, O-ring, and tank components.\u003c\/p\u003e\n\u003cp data-start=\"3262\" data-end=\"3437\"\u003eFor pool professionals, the 170021 is a practical repair part for extending the service life of a compatible FNS Plus FNSP48 filter without replacing the entire filter system.\u003c\/p\u003e\n\u003chr data-start=\"3439\" data-end=\"3442\"\u003e\n\u003ch2 data-section-id=\"1qhk4i3\" data-start=\"3444\" data-end=\"3463\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3465\" data-end=\"4679\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3465\" data-end=\"3492\"\u003e\n\u003ctr data-start=\"3465\" data-end=\"3492\"\u003e\n\u003cth data-start=\"3465\" data-end=\"3481\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"3481\" data-end=\"3492\" data-col-size=\"md\" class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3503\" data-end=\"4679\"\u003e\n\u003ctr data-start=\"3503\" data-end=\"3565\"\u003e\n\u003ctd data-start=\"3503\" data-end=\"3518\" data-col-size=\"sm\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd data-start=\"3518\" data-end=\"3565\" data-col-size=\"md\"\u003ePentair FNS Plus Tank Lid Assembly 48 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3566\" data-end=\"3585\"\u003e\n\u003ctd data-start=\"3566\" data-end=\"3574\" data-col-size=\"sm\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-start=\"3574\" data-end=\"3585\" data-col-size=\"md\"\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3586\" data-end=\"3607\"\u003e\n\u003ctd data-start=\"3586\" data-end=\"3595\" data-col-size=\"sm\"\u003eSeries\u003c\/td\u003e\n\u003ctd data-start=\"3595\" data-end=\"3607\" data-col-size=\"md\"\u003eFNS Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3608\" data-end=\"3640\"\u003e\n\u003ctd data-start=\"3608\" data-end=\"3630\" data-col-size=\"sm\"\u003eModel Compatibility\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3630\" data-end=\"3640\"\u003eFNSP48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3641\" data-end=\"3665\"\u003e\n\u003ctd data-start=\"3641\" data-end=\"3655\" data-col-size=\"sm\"\u003ePart Number\u003c\/td\u003e\n\u003ctd data-start=\"3655\" data-end=\"3665\" data-col-size=\"md\"\u003e170021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3666\" data-end=\"3682\"\u003e\n\u003ctd data-start=\"3666\" data-end=\"3672\" data-col-size=\"sm\"\u003eSKU\u003c\/td\u003e\n\u003ctd data-start=\"3672\" data-end=\"3682\" data-col-size=\"md\"\u003e170021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3683\" data-end=\"3728\"\u003e\n\u003ctd data-start=\"3683\" data-end=\"3712\" data-col-size=\"sm\"\u003eDistributor Product Number\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3712\" data-end=\"3728\"\u003ePAC-051-0021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3729\" data-end=\"3761\"\u003e\n\u003ctd data-start=\"3729\" data-end=\"3745\" data-col-size=\"sm\"\u003eUPC \/ Barcode\u003c\/td\u003e\n\u003ctd data-start=\"3745\" data-end=\"3761\" data-col-size=\"md\"\u003e788379670818\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3762\" data-end=\"3805\"\u003e\n\u003ctd data-start=\"3762\" data-end=\"3777\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3777\" data-end=\"3805\"\u003eFilter tank lid assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3806\" data-end=\"3862\"\u003e\n\u003ctd data-start=\"3806\" data-end=\"3834\" data-col-size=\"sm\"\u003eFilter Type Compatibility\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3834\" data-end=\"3862\"\u003eD.E. pool and spa filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3863\" data-end=\"3900\"\u003e\n\u003ctd data-start=\"3863\" data-end=\"3888\" data-col-size=\"sm\"\u003eCompatible Filter Size\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3888\" data-end=\"3900\"\u003e48 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3901\" data-end=\"3954\"\u003e\n\u003ctd data-start=\"3901\" data-end=\"3927\" data-col-size=\"sm\"\u003eCompatible Filter Model\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3927\" data-end=\"3954\"\u003ePentair FNS Plus FNSP48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3955\" data-end=\"4005\"\u003e\n\u003ctd data-start=\"3955\" data-end=\"3966\" data-col-size=\"sm\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-start=\"3966\" data-end=\"4005\" data-col-size=\"md\"\u003eFiberglass-reinforced polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4006\" data-end=\"4029\"\u003e\n\u003ctd data-start=\"4006\" data-end=\"4014\" data-col-size=\"sm\"\u003eColor\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4014\" data-end=\"4029\"\u003eTan \/ cream\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4030\" data-end=\"4076\"\u003e\n\u003ctd data-start=\"4030\" data-end=\"4051\" data-col-size=\"sm\"\u003eApprox. Dimensions\u003c\/td\u003e\n\u003ctd data-start=\"4051\" data-end=\"4076\" data-col-size=\"md\"\u003e21\" L x 21\" W x 26\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4077\" data-end=\"4124\"\u003e\n\u003ctd data-start=\"4077\" data-end=\"4104\" data-col-size=\"sm\"\u003eProduct Weight Reference\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4104\" data-end=\"4124\"\u003eApprox. 18–20 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4125\" data-end=\"4170\"\u003e\n\u003ctd data-start=\"4125\" data-end=\"4139\" data-col-size=\"sm\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-start=\"4139\" data-end=\"4170\" data-col-size=\"md\"\u003eReplacement filter tank lid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4171\" data-end=\"4204\"\u003e\n\u003ctd data-start=\"4171\" data-end=\"4198\" data-col-size=\"sm\"\u003eComplete Filter Included\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4198\" data-end=\"4204\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4205\" data-end=\"4285\"\u003e\n\u003ctd data-start=\"4205\" data-end=\"4229\" data-col-size=\"sm\"\u003eFilter Clamp Included\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4229\" data-end=\"4285\"\u003eNo, unless specifically supplied by seller packaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4286\" data-end=\"4365\"\u003e\n\u003ctd data-start=\"4286\" data-end=\"4309\" data-col-size=\"sm\"\u003eTank O-Ring Included\u003c\/td\u003e\n\u003ctd data-start=\"4309\" data-end=\"4365\" data-col-size=\"md\"\u003eNo, unless specifically supplied by seller packaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4366\" data-end=\"4406\"\u003e\n\u003ctd data-start=\"4366\" data-end=\"4400\" data-col-size=\"sm\"\u003eInternal Grid Assembly Included\u003c\/td\u003e\n\u003ctd data-start=\"4400\" data-end=\"4406\" data-col-size=\"md\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4407\" data-end=\"4496\"\u003e\n\u003ctd data-start=\"4407\" data-end=\"4435\" data-col-size=\"sm\"\u003eAir Relief Valve Included\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4435\" data-end=\"4496\"\u003eMay vary by packaging; verify contents before fulfillment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4497\" data-end=\"4551\"\u003e\n\u003ctd data-start=\"4497\" data-end=\"4518\" data-col-size=\"sm\"\u003eEquipment Category\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4518\" data-end=\"4551\"\u003ePool filter replacement parts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4552\" data-end=\"4612\"\u003e\n\u003ctd data-start=\"4552\" data-end=\"4572\" data-col-size=\"sm\"\u003eOEM \/ Aftermarket\u003c\/td\u003e\n\u003ctd data-start=\"4572\" data-end=\"4612\" data-col-size=\"md\"\u003eGenuine Pentair OEM replacement part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4613\" data-end=\"4660\"\u003e\n\u003ctd data-start=\"4613\" data-end=\"4653\" data-col-size=\"sm\"\u003eProfessional Installation Recommended\u003c\/td\u003e\n\u003ctd data-start=\"4653\" data-end=\"4660\" data-col-size=\"md\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4661\" data-end=\"4679\"\u003e\n\u003ctd data-start=\"4661\" data-end=\"4671\" data-col-size=\"sm\"\u003eSold As\u003c\/td\u003e\n\u003ctd data-start=\"4671\" data-end=\"4679\" data-col-size=\"md\"\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"4681\" data-end=\"4684\"\u003e\n\u003ch2 data-section-id=\"czfsbl\" data-start=\"4686\" data-end=\"4710\"\u003eIncluded Components\u003c\/h2\u003e\n\u003cul data-start=\"4711\" data-end=\"4769\"\u003e\n\u003cli data-section-id=\"1bf1ma4\" data-start=\"4711\" data-end=\"4769\"\u003e1 × Pentair 170021 FNS Plus 48 sq ft tank lid assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4771\" data-end=\"5022\"\u003e\u003cem data-start=\"4771\" data-end=\"5022\"\u003eFilter bottom tank, clamp band, tank O-ring, internal grid assembly, manifold, pressure gauge, air relief valve, drain assembly, D.E. powder, plumbing fittings, and installation labor are sold separately unless specifically included by the supplier.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"5024\" data-end=\"5027\"\u003e\n\u003ch2 data-section-id=\"1cnlbrc\" data-start=\"5029\" data-end=\"5053\"\u003eCompatibility Notes\u003c\/h2\u003e\n\u003cp data-start=\"5054\" data-end=\"5174\"\u003eThis tank lid assembly is designed for the \u003cstrong data-start=\"5097\" data-end=\"5138\"\u003ePentair FNS Plus 48 sq ft D.E. filter\u003c\/strong\u003e, commonly referenced as \u003cstrong data-start=\"5163\" data-end=\"5173\"\u003eFNSP48\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"5176\" data-end=\"5216\"\u003eCommon compatibility references include:\u003c\/p\u003e\n\u003cul data-start=\"5218\" data-end=\"5520\"\u003e\n\u003cli data-section-id=\"7jqrcr\" data-start=\"5218\" data-end=\"5245\"\u003ePentair FNS Plus FNSP48\u003c\/li\u003e\n\u003cli data-section-id=\"1uw7k1\" data-start=\"5246\" data-end=\"5287\"\u003ePentair FNS Plus 48 sq ft D.E. filter\u003c\/li\u003e\n\u003cli data-section-id=\"19mxyfk\" data-start=\"5288\" data-end=\"5352\"\u003ePentair filter tank bottom assembly 170017, where applicable\u003c\/li\u003e\n\u003cli data-section-id=\"1iii9k5\" data-start=\"5353\" data-end=\"5407\"\u003eReplacement applications requiring part \u003cstrong data-start=\"5395\" data-end=\"5405\"\u003e170021\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sp3kk9\" data-start=\"5408\" data-end=\"5520\"\u003eOlder PacFab \/ Pentair FNS Plus 48 sq ft filter lid replacement applications where confirmed by part diagram\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"5522\" data-end=\"5735\"\u003eAlways confirm the filter model number, tank size, filter label, clamp style, lid part number, tank bottom compatibility, and parts diagram before ordering. This lid is not universal for all FNS Plus filter sizes.\u003c\/p\u003e\n\u003chr data-start=\"5737\" data-end=\"5740\"\u003e\n\u003ch2 data-section-id=\"1hui92y\" data-start=\"5742\" data-end=\"5765\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-start=\"5766\" data-end=\"5923\"\u003eThis lid should be installed by a qualified pool professional. Pool filters operate under pressure, and incorrect assembly can create serious safety hazards.\u003c\/p\u003e\n\u003cp data-start=\"5925\" data-end=\"6178\"\u003eBefore servicing the filter, turn off the pump, shut down all related equipment, and fully relieve system pressure using the air relief valve. Inspect the tank O-ring, clamp band, tank bottom, sealing surfaces, and air relief assembly before reassembly.\u003c\/p\u003e\n\u003cp data-start=\"6180\" data-end=\"6424\"\u003eNever operate the filter with a damaged clamp, damaged O-ring, cracked tank component, or improperly seated lid. After installation, restart the system carefully, bleed air from the filter, check for leaks, and verify normal operating pressure.\u003c\/p\u003e\n\u003chr data-start=\"6426\" data-end=\"6429\"\u003e\n\u003ch2 data-section-id=\"w1k9cu\" data-start=\"6431\" data-end=\"6455\"\u003eCustomer-Facing Q\u0026amp;A\u003c\/h2\u003e\n\u003cp data-start=\"6457\" data-end=\"6589\"\u003e\u003cstrong data-start=\"6457\" data-end=\"6491\"\u003eQ: What is the Pentair 170021?\u003c\/strong\u003e\u003cbr data-start=\"6491\" data-end=\"6494\"\u003eA: It is a genuine Pentair replacement tank lid assembly for the FNS Plus 48 sq ft D.E. filter.\u003c\/p\u003e\n\u003cp data-start=\"6591\" data-end=\"6642\"\u003e\u003cstrong data-start=\"6591\" data-end=\"6614\"\u003eQ: What is the SKU?\u003c\/strong\u003e\u003cbr data-start=\"6614\" data-end=\"6617\"\u003eA: The SKU is \u003cstrong data-start=\"6631\" data-end=\"6641\"\u003e170021\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"6644\" data-end=\"6721\"\u003e\u003cstrong data-start=\"6644\" data-end=\"6677\"\u003eQ: What is the UPC \/ barcode?\u003c\/strong\u003e\u003cbr data-start=\"6677\" data-end=\"6680\"\u003eA: The UPC \/ barcode is \u003cstrong data-start=\"6704\" data-end=\"6720\"\u003e788379670818\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"6723\" data-end=\"6829\"\u003e\u003cstrong data-start=\"6723\" data-end=\"6756\"\u003eQ: What filter does this fit?\u003c\/strong\u003e\u003cbr data-start=\"6756\" data-end=\"6759\"\u003eA: This lid fits the \u003cstrong data-start=\"6780\" data-end=\"6828\"\u003ePentair FNS Plus FNSP48 48 sq ft D.E. filter\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"6831\" data-end=\"6934\"\u003e\u003cstrong data-start=\"6831\" data-end=\"6869\"\u003eQ: Is this for a cartridge filter?\u003c\/strong\u003e\u003cbr data-start=\"6869\" data-end=\"6872\"\u003eA: No. This part is designed for the FNS Plus \u003cstrong data-start=\"6918\" data-end=\"6933\"\u003eD.E. filter\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"6936\" data-end=\"7040\"\u003e\u003cstrong data-start=\"6936\" data-end=\"6978\"\u003eQ: What material is the lid made from?\u003c\/strong\u003e\u003cbr data-start=\"6978\" data-end=\"6981\"\u003eA: It is made from \u003cstrong data-start=\"7000\" data-end=\"7039\"\u003efiberglass-reinforced polypropylene\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7042\" data-end=\"7123\"\u003e\u003cstrong data-start=\"7042\" data-end=\"7071\"\u003eQ: What color is the lid?\u003c\/strong\u003e\u003cbr data-start=\"7071\" data-end=\"7074\"\u003eA: The lid is commonly listed as \u003cstrong data-start=\"7107\" data-end=\"7122\"\u003etan \/ cream\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7125\" data-end=\"7227\"\u003e\u003cstrong data-start=\"7125\" data-end=\"7170\"\u003eQ: Does this include the complete filter?\u003c\/strong\u003e\u003cbr data-start=\"7170\" data-end=\"7173\"\u003eA: No. This listing is for the tank lid assembly only.\u003c\/p\u003e\n\u003cp data-start=\"7229\" data-end=\"7378\"\u003e\u003cstrong data-start=\"7229\" data-end=\"7279\"\u003eQ: Does this include the clamp or tank O-ring?\u003c\/strong\u003e\u003cbr data-start=\"7279\" data-end=\"7282\"\u003eA: No, unless specifically supplied by the seller packaging. Verify contents before fulfillment.\u003c\/p\u003e\n\u003cp data-start=\"7380\" data-end=\"7542\"\u003e\u003cstrong data-start=\"7380\" data-end=\"7422\"\u003eQ: Does this fit all FNS Plus filters?\u003c\/strong\u003e\u003cbr data-start=\"7422\" data-end=\"7425\"\u003eA: No. This lid is specifically for the \u003cstrong data-start=\"7465\" data-end=\"7486\"\u003e48 sq ft FNS Plus\u003c\/strong\u003e model. Other FNS Plus filter sizes use different parts.\u003c\/p\u003e\n\u003cp data-start=\"7544\" data-end=\"7752\"\u003e\u003cstrong data-start=\"7544\" data-end=\"7591\"\u003eQ: Should this be professionally installed?\u003c\/strong\u003e\u003cbr data-start=\"7591\" data-end=\"7594\"\u003eA: Yes. Professional installation is strongly recommended because pool filter tanks operate under pressure and must be assembled correctly for safe operation.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52762956235062,"sku":"PEN170021 -H","price":289.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/PEN170021_0_30141845-e53d-4c99-9be8-f94168ee9c73.jpg?v=1755537035","url":"https:\/\/poolsupplydepot.net\/products\/pentairfnsplustanklidassembly48sf170021pen170021","provider":"Pool Supply Depot","version":"1.0","type":"link"}