{"product_id":"wilkins-rk212-350ck1-repair-kit-for-first-check-assembly-2-12-3","title":"Wilkins RK212-350CK1 | Repair Kit for First Check Assembly, 2-1\/2\" – 3\"","description":"\u003cp\u003e\nThe Wilkins RK212-350CK1 is a comprehensive repair kit designed for servicing the first check assembly in 2-1\/2\" and 3\" double check and RP backflow prevention assemblies, enabling fast maintenance without full valve replacement.\n\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eKey Specifications:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eCompatible Valve Sizes:\u003c\/strong\u003e\n    2-1\/2 and 3 Inches\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eKit Type:\u003c\/strong\u003e\n    First Check Assembly\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eModel Compatibility:\u003c\/strong\u003e\n    350, 350DA, 450, 450DA\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eApplication:\u003c\/strong\u003e\n    Double Check and RP\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eInstallation:\u003c\/strong\u003e\n    Fast Rebuild Service\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eOther Related Variants:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eRK4-350CK1:\u003c\/strong\u003e\n    Adds 4 Inches size compatibility and supports 350A\/350ADA models\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eRK6-350CK1:\u003c\/strong\u003e\n    For 6 Inches valves only\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eRK8-350CK1:\u003c\/strong\u003e\n    For large 8 Inches to 12 Inches valve sizes\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eMaterials:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSeat Retainer\u003c\/li\u003e\n  \u003cli\u003eO-Ring Seat\u003c\/li\u003e\n  \u003cli\u003eNut Poppet Retainer\u003c\/li\u003e\n  \u003cli\u003eWasher\u003c\/li\u003e\n  \u003cli\u003eO-Ring Stem\u003c\/li\u003e\n  \u003cli\u003ePoppet Retainer\u003c\/li\u003e\n  \u003cli\u003eSeat Ring\u003c\/li\u003e\n  \u003cli\u003eSeat Assembly Poppet\u003c\/li\u003e\n  \u003cli\u003eLubricant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTypical Installation:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"background: #f8f9fb; padding: 12px 14px; margin: 0; line-height: 1.7; color: #333;\"\u003e\nUsed for servicing and rebuilding the first check assembly in Zurn Wilkins 350, 350DA, 450, and 450DA double check and reduced pressure principle backflow prevention assemblies in commercial, industrial, and municipal water supply systems requiring backflow protection maintenance.\n\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eStandards Compliance:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"background: #f8f9fb; border-left: 4px solid #1d85af; padding: 12px 14px; margin: 0; line-height: 1.7; color: #333;\"\u003e\nCompatible with backflow prevention assemblies meeting industry standards for potable water protection\n\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eFeatures \u0026amp; Benefits:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Repair Solution:\u003c\/strong\u003e Includes all necessary components for servicing the first check assembly in one comprehensive kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCost-Effective Maintenance:\u003c\/strong\u003e Enables fast rebuild without requiring full valve replacement, reducing downtime and expenses.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Works with multiple Zurn RK212-350CK1 compatible models including 350, 350DA, 450, and 450DA series.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional Quality:\u003c\/strong\u003e Genuine Wilkins RK212-350CK1 components ensure reliable performance and long-lasting service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What models is the Zurn RK212-350CK1 repair kit compatible with?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This kit is designed for 2-1\/2\" and 3\" Zurn Wilkins 350, 350DA, 450, and 450DA double check and RP backflow prevention assemblies.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What components are included in this repair kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The kit includes Seat Retainer #2, O-Ring Seat, Nut Poppet Retainer, Washer #1 Check, O-Ring Stem, Poppet Retainer, Seat Ring, Seat Assembly #1 Poppet, and Lubricant.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this kit instead of replacing the entire valve?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, this repair kit enables fast rebuild of the first check assembly without requiring full valve replacement, saving time and cost.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cdiv id=\"W3TucRPBpqQA9ARvwg6ni-content\"\u003e\n  \u003cp\u003e\n    \u003cspan\u003e\n      \u003cstrong\u003eNOTICE:\u003c\/strong\u003e\n      Do not use with water that is unsafe or of unknown quality without adequate\n      disinfection either before or after the system.\n    \u003c\/span\u003e\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e\n  \u003ci\u003e\n    \"Hydrate Everyone, Everywhere!\" BottleFillingStations.com |\n    \u003ca rel=\"noopener\" href=\"https:\/\/bottlefillingstations.com\/pages\/contact-us\" target=\"_blank\"\u003e\n      Contact us\n    \u003c\/a\u003e\n  \u003c\/i\u003e\n\u003c\/p\u003e","brand":"Zurn Wilkins","offers":[{"title":"Default Title","offer_id":42914908930111,"sku":"RK212-350CK1","price":193.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/RK212-350CK1_AF.png?v=1770568694","url":"https:\/\/bottlefillingstations.com\/products\/wilkins-rk212-350ck1-repair-kit-for-first-check-assembly-2-12-3","provider":"BottleFillingStations.com","version":"1.0","type":"link"}