{"product_id":"hayward-swimclear-clamp-bolt-nut-dex2421j2","title":"Hayward SwimClear Clamp Bolt \u0026 Nut DEX2421J2 – for DEX2421JKIT Clamp Systems","description":"\u003cdiv class=\"ups-product-desc\" style=\"max-width: 100%; color: #1f2937; line-height: 1.7;\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv style=\"background: linear-gradient(135deg,#0f4c81 0%,#1273b8 100%); color: #fff; border-radius: 18px; padding: 24px 20px; margin: 0 0 24px;\"\u003e\n\u003cdiv style=\"font-size: 13px; text-transform: uppercase; opacity: .9; margin-bottom: 8px;\"\u003eFilter Clamp Replacement Hardware\u003c\/div\u003e\n\u003ch2 style=\"margin: 0 0 10px; font-size: 30px; color: #fff;\"\u003eHayward SwimClear Clamp Bolt \u0026amp; Nut\u003c\/h2\u003e\n\u003cp style=\"margin: 0; font-size: 16px; color: #fff;\"\u003eGenuine Hayward replacement clamp bolt and nut for compatible SwimClear filter systems upgraded to the DEX2421JKIT clamp assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- WARRANTY --\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 14px; padding: 16px; margin-bottom: 28px;\"\u003e\n\u003ch3 style=\"margin: 0 0 8px; font-size: 22px; color: #1e3a8a;\"\u003eWarranty Information\u003c\/h3\u003e\n\u003cp style=\"margin: 0; font-size: 16px;\"\u003e\u003cstrong\u003e6-Month Manufacturer Warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 6px 0 0; font-size: 14px; color: #475569;\"\u003eUltimate Pools is your first point of contact for compatibility verification, installation guidance, and warranty support.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- INTRO --\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eHayward SwimClear Clamp Bolt and Nut (DEX2421J2)\u003c\/strong\u003e is a genuine Hayward replacement fastener assembly used with compatible filter clamp systems. It is designed specifically for filters equipped with the \u003cstrong\u003eDEX2421JKIT clamp system\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe original clamp bolt, nut and spring assembly has been discontinued. The DEX2421J2 is not compatible with the original clamp band system, making clamp-system verification especially important on older SwimClear models before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FEATURES --\u003e\n\u003cdiv style=\"margin-bottom: 32px;\"\u003e\n\u003ch3 style=\"font-size: 26px; margin: 0 0 18px; color: #0f172a;\"\u003eKey Features\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 12px;\"\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eGenuine Hayward Replacement\u003c\/strong\u003e\u003cbr\u003eReplacement clamp hardware designed for compatible Hayward filter systems.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eDEX2421JKIT Specific\u003c\/strong\u003e\u003cbr\u003eCompatible only with filters using the Hayward DEX2421JKIT clamp assembly system.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eClamp Bolt \u0026amp; Nut\u003c\/strong\u003e\u003cbr\u003eProvides the replacement bolt and nut used to secure the compatible filter clamp assembly.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eSwimClear Applications\u003c\/strong\u003e\u003cbr\u003eFits specified Hayward SwimClear cartridge filter models when equipped with the correct clamp system.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eOlder Filter Consideration\u003c\/strong\u003e\u003cbr\u003eSeveral earlier SwimClear models may still use the original clamp band and require verification before ordering.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eReplacement Clamp Hardware\u003c\/strong\u003e\u003cbr\u003eSuitable for servicing compatible clamp systems when the existing bolt or nut requires replacement.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- COMPATIBILITY --\u003e\n\u003cdiv style=\"margin-bottom: 32px;\"\u003e\n\u003ch3 style=\"font-size: 26px; margin: 0 0 16px; color: #0f172a;\"\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 18px;\"\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eCompatible with the following Hayward filter applications when equipped with the \u003cstrong\u003eDEX2421JKIT clamp system\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwimClear Filters:\u003c\/strong\u003e C2020, C2025, C2030, C3020, C3025, C3030, C4020, C4025, C4030, C5020, C5025, C5030, C7000, C7030\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHCF Series:\u003c\/strong\u003e Compatible HCF Series applications using the DEX2421JKIT clamp system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProGrid Vertical Grid D.E. Filters:\u003c\/strong\u003e Compatible applications using the DEX2421JKIT clamp system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"background: #fff7ed; border: 1px solid #fdba74; border-radius: 10px; padding: 14px; margin-top: 16px;\"\u003e\n\u003cstrong style=\"color: #9a3412;\"\u003eImportant Clamp Compatibility:\u003c\/strong\u003e\n\u003cp style=\"margin: 6px 0 0;\"\u003eDEX2421J2 is \u003cstrong\u003eonly compatible with DEX2421JKIT clamp systems\u003c\/strong\u003e. It is not compatible with the original clamp band system. The original clamp bolt, nut and spring assembly has been discontinued.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin: 16px 0 8px;\"\u003e\u003cstrong\u003eOlder SwimClear models requiring particular attention:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n\u003cli\u003eC2020\u003c\/li\u003e\n\u003cli\u003eC2025\u003c\/li\u003e\n\u003cli\u003eC3020\u003c\/li\u003e\n\u003cli\u003eC3025\u003c\/li\u003e\n\u003cli\u003eC4020\u003c\/li\u003e\n\u003cli\u003eC4025\u003c\/li\u003e\n\u003cli\u003eC5020\u003c\/li\u003e\n\u003cli\u003eC5025\u003c\/li\u003e\n\u003cli\u003eC7000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 16px 0 0; font-size: 14px; color: #475569;\"\u003eThese filters may still have the original clamp band system installed. Compatibility may vary by production year, configuration and installation. Verify your exact filter model, clamp system and part number before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- APPLICATIONS --\u003e\n\u003cdiv style=\"margin-bottom: 32px;\"\u003e\n\u003ch3 style=\"font-size: 26px; margin: 0 0 16px; color: #0f172a;\"\u003eApplications\u003c\/h3\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 18px;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n\u003cli\u003eReplacement of a damaged clamp bolt\u003c\/li\u003e\n\u003cli\u003eReplacement of a missing or damaged clamp nut\u003c\/li\u003e\n\u003cli\u003eServicing DEX2421JKIT clamp assemblies\u003c\/li\u003e\n\u003cli\u003eSwimClear cartridge filter clamp maintenance\u003c\/li\u003e\n\u003cli\u003eCompatible HCF and ProGrid filter clamp applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 16px 0 0; font-size: 14px; color: #475569;\"\u003eDo not order based on filter model alone. Confirm that the filter has been fitted with the DEX2421JKIT clamp system before ordering this bolt and nut.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- SPECIFICATIONS --\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003ch3 style=\"font-size: 26px; margin: 0 0 16px; color: #0f172a;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; border: 1px solid #e5e7eb; border-radius: 14px;\"\u003e\n\u003ctable style=\"width: 100%; min-width: 520px; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003eDEX2421J2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003eHayward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003eFilter Clamp Bolt \u0026amp; Nut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eClamp System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003ca style=\"color: #1d4ed8; font-weight: 600; text-decoration: none;\" rel=\"noopener noreferrer\" href=\"https:\/\/ultimatepools.ca\/products\/hayward-swimclear-filter-clamp-assembly-dex2421jkit\"\u003eDEX2421JKIT\u003c\/a\u003e Clamp System Only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eOriginal Clamp Band Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003eNot Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003eSwimClear C2020, C2025, C2030, C3020, C3025, C3030, C4020, C4025, C4030, C5020, C5025, C5030, C7000 and C7030 when equipped with the DEX2421JKIT clamp system; compatible HCF and ProGrid applications using the same clamp system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003eSecures compatible filter clamp assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e6-Month Manufacturer Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px;\"\u003e\u003cstrong\u003eFinal Sale\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ --\u003e\n\u003cdiv\u003e\n\u003ch3 style=\"font-size: 26px; margin: 0 0 16px; color: #0f172a;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #e5e7eb; border-radius: 14px; overflow: hidden;\"\u003e\n\u003cdiv style=\"padding: 16px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eWill the DEX2421J2 fit every SwimClear filter listed?\u003c\/strong\u003e\u003cbr\u003eNo. The filter must also be equipped with the DEX2421JKIT clamp system. Filter model alone is not enough to confirm compatibility.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eWill this work with the original SwimClear clamp band?\u003c\/strong\u003e\u003cbr\u003eNo. The DEX2421J2 is not compatible with the original clamp band system.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eWhy do older SwimClear filters require extra verification?\u003c\/strong\u003e\u003cbr\u003eModels such as C2020, C2025, C3020, C3025, C4020, C4025, C5020, C5025 and C7000 may still have the original clamp band installed rather than the newer DEX2421JKIT system.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eWhat happened to the original bolt, nut and spring assembly?\u003c\/strong\u003e\u003cbr\u003eThe original clamp bolt and nut with spring assembly has been discontinued. This replacement is intended for the newer DEX2421JKIT clamp system.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px;\"\u003e\n\u003cstrong\u003eIs the DEX2421J2 final sale?\u003c\/strong\u003e\u003cbr\u003eYes. This replacement clamp hardware is final sale, so verify both your filter model and installed clamp system before ordering.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":47205172314281,"sku":"DEX2421J2","price":49.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/2647\/4409\/files\/DEX2421J2.webp?v=1781718813","url":"https:\/\/ultimatepools.ca\/products\/hayward-swimclear-clamp-bolt-nut-dex2421j2","provider":"ultimatepools.ca","version":"1.0","type":"link"}