{"product_id":"wilkins-3509-300a-1-check-module-for-350350a450-backflow-preventer","title":"Wilkins 3509-300A | #1 Check Module for 350\/350A\/450 Backflow Preventer","description":"\u003cp\u003e\nThe Wilkins 3509-300A is a #1 check module designed for 350, 350A, and 450 series double check backflow preventers, ensuring reliable low-hazard protection.\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 Sizes:\u003c\/strong\u003e\n    2 1\/2 Inches to 4 Inches\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eProduct Type:\u003c\/strong\u003e\n    Complete #1 Check Assembly\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eCompatible Series:\u003c\/strong\u003e\n    350, 350A, 450 backflow assemblies\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eReplacement Part:\u003c\/strong\u003e\n    Now replaced by RK4-350CK1\n  \u003c\/li\u003e\n\n  \u003cli\u003e\n    \u003cstrong\u003eApplication:\u003c\/strong\u003e\n    Double check valve assembly\n  \u003c\/li\u003e\n\u003c\/ul\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":42938061226047,"sku":"3509-300A","price":634.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/Zurn_Media_Placeholder.png?v=1770736892","url":"https:\/\/bottlefillingstations.com\/products\/wilkins-3509-300a-1-check-module-for-350350a450-backflow-preventer","provider":"BottleFillingStations.com","version":"1.0","type":"link"}