{"product_id":"wilkins-2-350xl-2-inch-double-check-backflow-preventer-fnpt-x-fnpt-lead-free","title":"Zurn Wilkins 2-350XL 2-Inch Double Check Backflow Preventer (Lead-Free) - 2-350XL","description":"\u003ch2\u003eZurn Wilkins 2-350XL 2-Inch Double Check Backflow Preventer (Lead-Free) - 2-350XL\u003c\/h2\u003e\n\u003cp\u003eThe Wilkins 350XL 2-inch Double Check backflow preventer is a lead-free, FNPT x FNPT assembly designed to protect potable water systems from low-health-hazard backflow. Its compact, serviceable design fits irrigation and commercial installations where reliable protection and easy servicing are required.\u003c\/p\u003e\n\u003cp\u003eEngineered for durability and ease of service, the 350XL offers dependable low-health-hazard protection with accessible parts and clear documentation. Follow the included installation and maintenance instructions and consult repair parts documentation when servicing.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEZSwap removable pressure vessel:\u003c\/strong\u003e Patented removable pressure vessel enables safe and quick line flushing, fast winterization and simplified maintenance or repair without replacing the body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-free construction:\u003c\/strong\u003e Low-lead design complies with lead-free law requirements and is suitable for drinking water service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-mounted test cocks:\u003c\/strong\u003e Convenient top-mounted test cocks simplify field testing and reduce installation time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFNPT x FNPT connections:\u003c\/strong\u003e Standard threaded inlet and outlet connections for straightforward integration with existing piping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlow Out \/ Flush option:\u003c\/strong\u003e Blow Out Flush fitting is available to assist winterizing and seasonal maintenance where needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocumentation and support:\u003c\/strong\u003e Specification sheets, installation and maintenance manuals, and repair parts lists are provided to support accurate installation and service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"ev4x0p\" data-start=\"244\" data-end=\"420\"\u003e\n\u003cstrong data-start=\"246\" data-end=\"280\"\u003eReliable dual-check protection\u003c\/strong\u003e: Engineered to prevent both back-siphonage and backpressure in low-risk contamination environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1hqotqi\" data-start=\"421\" data-end=\"570\"\u003e\n\u003cstrong data-start=\"423\" data-end=\"449\"\u003eLead-free construction\u003c\/strong\u003e: Meets modern plumbing code requirements for safe use on drinking water systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bwqiac\" data-start=\"571\" data-end=\"778\"\u003e\n\u003cstrong data-start=\"573\" data-end=\"608\"\u003eService-friendly modular design\u003c\/strong\u003e: Features a removable internal cartridge assembly for faster repairs, flushing, and winterization without removing the full unit. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"116dr6x\" data-start=\"779\" data-end=\"963\"\u003e\n\u003cstrong data-start=\"781\" data-end=\"804\"\u003eDurable bronze body\u003c\/strong\u003e: Built for long service life with corrosion-resistant materials suited for outdoor and buried valve box installations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e88qul\" data-start=\"964\" data-end=\"1114\"\u003e\n\u003cstrong data-start=\"966\" data-end=\"995\"\u003eLow maintenance operation\u003c\/strong\u003e: Designed for easy access to internal checks and simplified in-line servicing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jfzkj2\" data-start=\"1115\" data-end=\"1311\"\u003e\n\u003cstrong data-start=\"1117\" data-end=\"1139\"\u003eIdeal applications\u003c\/strong\u003e: Best suited for irrigation systems, fire lines, and other low-hazard potable water protection scenarios where RPZ is not required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"0\" data-end=\"214\"\u003e\u003cstrong data-start=\"0\" data-end=\"49\"\u003eQ: What is the Zurn Wilkins 2-350XL used for?\u003c\/strong\u003e\u003cbr data-start=\"49\" data-end=\"52\"\u003eA: A 2\" lead-free double check backflow preventer designed to protect potable water systems from low-hazard contamination caused by backpressure or backsiphonage.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"415\"\u003e\u003cstrong data-start=\"216\" data-end=\"265\"\u003eQ: Is it approved for drinking water systems?\u003c\/strong\u003e\u003cbr data-start=\"265\" data-end=\"268\"\u003eA: Yes. It is lead-free compliant and certified to NSF\/ANSI 61 and ASSE 1015 standards for potable water use. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"417\" data-end=\"599\"\u003e\u003cstrong data-start=\"417\" data-end=\"473\"\u003eQ: What type of backflow protection does it provide?\u003c\/strong\u003e\u003cbr data-start=\"473\" data-end=\"476\"\u003eA: Double check valve assembly (DCVA), ideal for low-health-hazard applications like irrigation and commercial water lines.\u003c\/p\u003e\n\u003cp data-start=\"601\" data-end=\"840\"\u003e\u003cstrong data-start=\"601\" data-end=\"654\"\u003eQ: What makes the 350XL design easier to service?\u003c\/strong\u003e\u003cbr data-start=\"654\" data-end=\"657\"\u003eA: It uses a removable EZSwap pressure vessel\/cartridge, allowing quick maintenance, flushing, and winterization without removing the full body. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"842\" data-end=\"1006\"\u003e\u003cstrong data-start=\"842\" data-end=\"879\"\u003eQ: What are its operating limits?\u003c\/strong\u003e\u003cbr data-start=\"879\" data-end=\"882\"\u003eA: Typically rated up to 175 PSI working pressure and about 180°F maximum temperature. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1008\" data-end=\"1158\"\u003e\u003cstrong data-start=\"1008\" data-end=\"1046\"\u003eQ: What materials is it made from?\u003c\/strong\u003e\u003cbr data-start=\"1046\" data-end=\"1049\"\u003eA: Lead-free bronze body with corrosion-resistant internal components and a compact modular cartridge design.\u003c\/p\u003e\n\u003cp data-start=\"1160\" data-end=\"1360\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1160\" data-end=\"1198\"\u003eQ: Where is it commonly installed?\u003c\/strong\u003e\u003cbr data-start=\"1198\" data-end=\"1201\"\u003eA: Irrigation systems, commercial plumbing, and other potable water systems where backflow prevention is required but high-hazard RPZ protection is not needed.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:15d07b9e-85e9-40b7-b286-42d6f6f630d0-13\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:15d07b9e-85e9-40b7-b286-42d6f6f630d0-13\" data-turn-id-container=\"request-WEB:15d07b9e-85e9-40b7-b286-42d6f6f630d0-13\" data-testid=\"conversation-turn-26\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"991652a4-b5c2-44ef-ae0a-1ba46e561494\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-start=\"75\" data-end=\"791\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"cnyir4\" data-start=\"75\" data-end=\"168\"\u003ePerform \u003cstrong data-start=\"85\" data-end=\"113\"\u003eannual certified testing\u003c\/strong\u003e to verify proper backflow prevention and compliance.\u003c\/li\u003e\n\u003cli data-section-id=\"1kmd0ni\" data-start=\"169\" data-end=\"275\"\u003eInspect routinely for \u003cstrong data-start=\"193\" data-end=\"238\"\u003eexternal leaks, corrosion, and valve wear\u003c\/strong\u003e, especially after pressure surges.\u003c\/li\u003e\n\u003cli data-section-id=\"bjbvle\" data-start=\"276\" data-end=\"377\"\u003eKeep \u003cstrong data-start=\"283\" data-end=\"341\"\u003eshutoff valves and test cocks clean and fully operable\u003c\/strong\u003e for accurate testing and service.\u003c\/li\u003e\n\u003cli data-section-id=\"t73d5f\" data-start=\"378\" data-end=\"463\"\u003eFlush the system periodically to reduce \u003cstrong data-start=\"420\" data-end=\"440\"\u003esediment buildup\u003c\/strong\u003e inside the assembly.\u003c\/li\u003e\n\u003cli data-section-id=\"x2xkch\" data-start=\"464\" data-end=\"558\"\u003eProtect from \u003cstrong data-start=\"479\" data-end=\"502\"\u003efreezing conditions\u003c\/strong\u003e using insulation or seasonal drainage where required.\u003c\/li\u003e\n\u003cli data-section-id=\"3y33sw\" data-start=\"559\" data-end=\"701\"\u003eReplace internal components using \u003cstrong data-start=\"595\" data-end=\"656\"\u003egenuine \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eZurn Wilkins\u003c\/span\u003e\u003c\/span\u003e repair kits\u003c\/strong\u003e to maintain performance and certification.\u003c\/li\u003e\n\u003cli data-section-id=\"1g06ua6\" data-start=\"702\" data-end=\"791\" data-is-last-node=\"\"\u003eAfter any service or repair, \u003cstrong data-start=\"733\" data-end=\"757\"\u003ere-test the assembly\u003c\/strong\u003e before returning it to operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Zurn","offers":[{"title":"Default Title","offer_id":45805586776255,"sku":"2-350XL","price":1082.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/350XL_34-2__600x600_8a17184c-d2bf-4a43-91e5-2f6d6d98b7b4.jpg?v=1782960440","url":"https:\/\/www.mybackyardzone.com\/products\/wilkins-2-350xl-2-inch-double-check-backflow-preventer-fnpt-x-fnpt-lead-free","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}