{"product_id":"zurn-wilkins-34-40xl2-in-line-single-check-valve-34-inches","title":"Wilkins 34-40XL2 | In-Line Single Check Valve, 3\/4 Inches","description":"\u003cp\u003eThe Wilkins 34-40XL2 is a lead-free in-line single check valve designed for potable water systems, well pump applications, and backflow prevention.\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:\u003c\/strong\u003e 3\/4 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure:\u003c\/strong\u003e 400 psi WOG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Temperature:\u003c\/strong\u003e 210°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNotable Certifications:\u003c\/strong\u003e UL Classified ANSI\/NSF 61, 372\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Connections:\u003c\/strong\u003e Threaded ANSI B1.20.1\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\u003e1\/4-40XL2:\u003c\/strong\u003e 1\/4 Inch version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/8-40XL2:\u003c\/strong\u003e 3\/8 Inch version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2-40XL2:\u003c\/strong\u003e 1\/2 Inch version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-40XL2:\u003c\/strong\u003e 1 Inch version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 1\/4-40XL2:\u003c\/strong\u003e 1 1\/4 Inch version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 1\/2-40XL2:\u003c\/strong\u003e 1 1\/2 Inch version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-40XL2:\u003c\/strong\u003e 2 Inch version\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\u003eMain Valve Body: Lead Free Brass\u003c\/li\u003e\n\u003cli\u003eDisc: Polyphenylene Sulfide\u003c\/li\u003e\n\u003cli\u003eSeat: NBR (Nitrile Butadiene Rubber)\u003c\/li\u003e\n\u003cli\u003eSpring: Stainless Steel, 300 Series\u003c\/li\u003e\n\u003cli\u003eRetainer: Polyacetal\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;\"\u003eLocal codes shall govern installation requirements. To be installed in accordance with the manufacturer's instructions and the latest edition of the Uniform Plumbing Code. Not recommended for installation in sewage ejector piping or for reciprocating air compressor service.\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;\"\u003eUL Classified; ANSI\/NSF Standard 61; ANSI\/NSF Standard 372 (0.25% maximum weighted average lead content)\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\u003eLead-Free Compliance:\u003c\/strong\u003e Meets ANSI\/NSF 372 standards with 0.25% maximum lead content for safe potable water applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Pressure Rating:\u003c\/strong\u003e Rated for 400 psi WOG and 210°F, providing reliable performance in demanding residential and commercial water systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTight Seating Design:\u003c\/strong\u003e Effectively prevents backflow and eliminates reduced pressure principle discharge caused by pressure fluctuations or water hammer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Features lead-free brass body, stainless steel spring, and chemical-resistant NBR seat for 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 is the Zurn 34-40XL2 designed for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The Zurn 34-40XL2 is ideal for potable domestic and commercial water systems including well pump systems and applications requiring tight seating and backflow prevention.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can the Wilkins 34-40XL2 be used for sewage or air compressor applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, the Wilkins 34-40XL2 is not recommended for installation in sewage ejector piping or reciprocating air compressor service.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What certifications does the Zurn 34-40XL2 have?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The Zurn 34-40XL2 is UL Classified and complies with ANSI\/NSF Standard 61 and 372, ensuring it meets lead-free requirements for potable water systems.\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\nDo not use with water that is unsafe or of unknown quality without adequate\ndisinfection 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\nContact us\n\u003c\/a\u003e\n\u003c\/i\u003e\n\u003c\/p\u003e","brand":"Zurn Wilkins","offers":[{"title":"Default Title","offer_id":42914918563903,"sku":"34-40XL2","price":155.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/40XL_AF_a5cd5306-a9f0-4b67-b30c-078ecba21c27.png?v=1770569172","url":"https:\/\/bottlefillingstations.com\/products\/zurn-wilkins-34-40xl2-in-line-single-check-valve-34-inches","provider":"BottleFillingStations.com","version":"1.0","type":"link"}