{"product_id":"wilkins-rk8-350ck1-repair-kit-1-check-assembly-for-models-350","title":"Wilkins RK8-350CK1 | Repair Kit – #1 Check Assembly for Models 350","description":"\u003cp\u003e\nThe Wilkins RK8-350CK1 is a comprehensive repair kit designed for servicing the #1 check assembly in 8\"–12\" backflow preventers, ensuring reliable performance and compliance in commercial applications.\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\u003eSize Range:\u003c\/strong\u003e\n    8\", 10\", 12\" models\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eCompatible Models:\u003c\/strong\u003e\n    350, 350A, 350DA series\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eAssembly Type:\u003c\/strong\u003e\n    #1 Check Assembly\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eApplication:\u003c\/strong\u003e\n    Commercial backflow preventers\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eKit Components:\u003c\/strong\u003e\n    Complete seat and poppet assembly\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\u003eRK212-350CK1:\u003c\/strong\u003e\n    Small sizes 2-1\/2\" and 3\" models\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eRK4-350CK1:\u003c\/strong\u003e\n    Mid-range up to 4\" with 350A\/350ADA support\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cstrong\u003eRK6-350CK1:\u003c\/strong\u003e\n    6\" valve applications only\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 #1\u003c\/li\u003e\n  \u003cli\u003eBolt Poppet Retainer\u003c\/li\u003e\n  \u003cli\u003eWasher Poppet Bolt\u003c\/li\u003e\n  \u003cli\u003eO-Ring Poppet Bolt\u003c\/li\u003e\n  \u003cli\u003ePoppet Retainer\u003c\/li\u003e\n  \u003cli\u003eSeat Assembly #1 Poppet\u003c\/li\u003e\n  \u003cli\u003eWasher Seat Retainer\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\nIntended for servicing large-format first check assemblies in commercial backflow prevention systems including municipal water supplies, industrial facilities, irrigation systems, fire protection applications, and other installations requiring regular maintenance of 8\", 10\", and 12\" Models 350, 350A, and 350DA backflow preventers.\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\nDesigned for use with backflow preventers compliant with applicable standards for reduced pressure zone assemblies and double check valve assemblies in commercial water systems.\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 Assembly Kit:\u003c\/strong\u003e Includes all necessary components for #1 check assembly repair, eliminating the need to source individual parts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Services multiple Wilkins RK8-350CK1 and Zurn RK8-350CK1 models including 350, 350A, and 350DA across 8\", 10\", and 12\" sizes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimplified Maintenance:\u003c\/strong\u003e Pre-packaged with lubricant and all required seals, washers, and retainers for efficient service and reduced downtime.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Components:\u003c\/strong\u003e Engineered for demanding commercial applications requiring reliable backflow prevention and long-term performance.\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 are compatible with the RK8-350CK1 repair kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This kit is compatible with 8\", 10\", and 12\" Models 350 and 350A, as well as 8\" and 10\" Models 350DA backflow preventers.\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 #1, Bolt Poppet Retainer, Washer Poppet Bolt, O-Ring Poppet Bolt, Poppet Retainer, Seat Assembly #1 Poppet, Washer Seat Retainer, and Lubricant.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How does this kit differ from other 350 series repair kits?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The RK8-350CK1 is specifically designed for large-format 8\"–12\" valves, while RK212-350CK1 serves 2-1\/2\"–3\" sizes, RK4-350CK1 handles up to 4\" models, and RK6-350CK1 is exclusively for 6\" valves.\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":42914910076991,"sku":"RK8-350CK1","price":1454.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/RK8-350CK1_AF.png?v=1770568801","url":"https:\/\/bottlefillingstations.com\/products\/wilkins-rk8-350ck1-repair-kit-1-check-assembly-for-models-350","provider":"BottleFillingStations.com","version":"1.0","type":"link"}