{"product_id":"hayward-manual-air-relief-assembly-dex2420mar2","title":"Hayward Manual Air Relief Assembly DEX2420MAR2 – for SwimClear \u0026 ProGrid Filters","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 Air Relief Replacement Part\u003c\/div\u003e\n\u003ch2 style=\"margin: 0 0 10px; font-size: 30px; color: #fff;\"\u003eHayward Manual Air Relief Assembly\u003c\/h2\u003e\n\u003cp style=\"margin: 0; font-size: 16px; color: #fff;\"\u003eGenuine Hayward replacement manual air relief assembly for compatible SwimClear, HCF Series and ProGrid vertical grid D.E. filters.\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 Manual Air Relief Assembly (DEX2420MAR2)\u003c\/strong\u003e is a genuine Hayward replacement component designed for compatible SwimClear cartridge filters, HCF Series cartridge filters and ProGrid vertical grid D.E. filters. It provides a manual means of releasing trapped air from the filter system.\u003c\/p\u003e\n\u003cp\u003eBy allowing accumulated air to be vented from the filter housing, the DEX2420MAR2 supports proper water flow and operating pressure during start-up and regular filtration. It is intended as a direct replacement for the supported Hayward filter models listed below.\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\u003eDesigned for compatible Hayward SwimClear, HCF and ProGrid filter systems.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eManual Air Release\u003c\/strong\u003e\u003cbr\u003eAllows trapped air to be manually vented from the filter housing.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eSupports Proper Pressure\u003c\/strong\u003e\u003cbr\u003eHelps the filter maintain proper operating pressure by reducing trapped air buildup.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eSupports Consistent Water Flow\u003c\/strong\u003e\u003cbr\u003eHelps reduce air pockets that can interfere with normal filtration.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eMultiple Filter Platforms\u003c\/strong\u003e\u003cbr\u003eCompatible with specified SwimClear cartridge, HCF Series and ProGrid D.E. filter applications.\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #dbeafe; border-radius: 14px; padding: 16px;\"\u003e\n\u003cstrong\u003eDirect Replacement Component\u003c\/strong\u003e\u003cbr\u003eDesigned for replacement during filter maintenance or repair on supported models.\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 models and series:\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwimClear Cartridge Filters:\u003c\/strong\u003e C2020, C2025, C2030, C3020, C3025, C3030, W3C3030, C4020, C4025, C4030, W3C4030, C5020, C5025, C5030, W3C5030, C7000, C7020, C7025, C7030\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHCF Series Cartridge Filters:\u003c\/strong\u003e HCF7030C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProGrid Vertical Grid D.E. Filters:\u003c\/strong\u003e Compatible ProGrid applications using the DEX2420MAR2 manual air relief assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 16px 0 0; font-size: 14px; color: #475569;\"\u003eCompatibility may vary by production year, configuration and installation. Verify your exact filter model 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 worn or damaged manual air relief assembly\u003c\/li\u003e\n\u003cli\u003eReleasing trapped air from cartridge filter housings\u003c\/li\u003e\n\u003cli\u003eReleasing trapped air from compatible ProGrid D.E. filters\u003c\/li\u003e\n\u003cli\u003eSupporting proper filter water flow and operating pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 16px 0 0; font-size: 14px; color: #475569;\"\u003eConfirm the filter model and existing air relief assembly part number before ordering a replacement.\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;\"\u003eDEX2420MAR2\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;\"\u003eManual Air Relief Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #e5e7eb;\"\u003eManually releases trapped air from the filter housing\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;\"\u003eSelect Hayward SwimClear and HCF Series cartridge filters and compatible ProGrid vertical grid D.E. filters\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\u003ctr\u003e\n\u003ctd style=\"padding: 12px;\"\u003e\u003cstrong\u003eManual\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003ca style=\"color: #1d4ed8; font-weight: 600; text-decoration: none;\" rel=\"noopener noreferrer\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0553\/2647\/4409\/files\/Hayward_Manual_Air_Relief_Assembly_Manual_DEX2420MAR2.pdf?v=1791315098\"\u003eDownload Product Manual\u003c\/a\u003e - English, French and Spanish\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\u003eWhat does the Hayward DEX2420MAR2 do?\u003c\/strong\u003e\u003cbr\u003eIt provides a manual means of releasing trapped air from the filter housing to support proper water flow and operating pressure.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eWhich SwimClear filters use this air relief assembly?\u003c\/strong\u003e\u003cbr\u003eIt is compatible with the listed C2020, C2025, C2030, C3020, C3025, C3030, W3C3030, C4020, C4025, C4030, W3C4030, C5020, C5025, C5030, W3C5030, C7000, C7020, C7025 and C7030 models.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eDoes it fit HCF cartridge filters?\u003c\/strong\u003e\u003cbr\u003eYes. HCF7030C is specifically listed as a compatible HCF Series application.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px; border-bottom: 1px solid #e5e7eb;\"\u003e\n\u003cstrong\u003eCan the DEX2420MAR2 be used with ProGrid D.E. filters?\u003c\/strong\u003e\u003cbr\u003eYes. It is designed for compatible Hayward ProGrid vertical grid D.E. filter applications.\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px;\"\u003e\n\u003cstrong\u003eIs the DEX2420MAR2 final sale?\u003c\/strong\u003e\u003cbr\u003eYes. This replacement filter component is final sale, so verify the filter model and required part number 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":40480391397545,"sku":"DEX2420MAR2","price":219.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/2647\/4409\/products\/DEX2420MAR2.jpg?v=1666208459","url":"https:\/\/ultimatepools.ca\/products\/hayward-manual-air-relief-assembly-dex2420mar2","provider":"ultimatepools.ca","version":"1.0","type":"link"}