{"product_id":"wilkins-1-460xl-wilkins-460xl-pressure-vacuum-breaker-1-in-lead-free-cast-bronze-spill-resistant","title":"Zurn Wilkins 460XL 1 in. Spill-Resistant Pressure Vacuum Breaker - 1-460XL","description":"\u003ch2\u003eZurn Wilkins 460XL 1 in. Spill-Resistant Pressure Vacuum Breaker - 1-460XL\u003c\/h2\u003e\n\u003cp\u003eThe Wilkins 460XL 1 in. Spill-Resistant Pressure Vacuum Breaker provides high-hazard backsiphonage protection for point-of-use applications. Its spill-resistant diaphragm and modular construction reduce start-up spillage and simplify service while meeting low-lead requirements.\u003c\/p\u003e\n\u003cp\u003eDesigned for indoor and outdoor point-of-use installations, the 460XL features 1 in. FNPT connections and a compact vertical mounting profile. Refer to the product specification and installation sheets for dimensions, maintenance, and replacement parts. Technical documents and repair parts lists are available with the product listing.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eCast bronze (ASTM B-584) low-lead body for corrosion resistance and long service life.\u003c\/li\u003e\n\u003cli\u003eSeparate diaphragm seals the air inlet to minimize or eliminate start-up spillage.\u003c\/li\u003e\n\u003cli\u003eRated for 150 PSI maximum working pressure and 180°F maximum working temperature.\u003c\/li\u003e\n\u003cli\u003eHydrostatic test pressure 300 PSI; designed for constant pressure applications.\u003c\/li\u003e\n\u003cli\u003eFDA-approved silicone elastomers, polypropylene polymers and 300 series stainless steel springs.\u003c\/li\u003e\n\u003cli\u003eASSE-listed and IAPMO\/CSA certified; meets NSF\/ANSI 61 and approved by the USC Foundation for Cross Connection Control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"qh1rg7\" data-start=\"27\" data-end=\"260\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"64\"\u003ePremium spill-resistant design:\u003c\/strong\u003e The \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eZurn Wilkins 460XL 1 in. Spill-Resistant Pressure Vacuum Breaker\u003c\/span\u003e\u003c\/span\u003e is engineered to reduce or eliminate discharge during start-up, improving cleanliness in sensitive installations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1akz539\" data-start=\"262\" data-end=\"455\"\u003e\n\u003cstrong data-start=\"264\" data-end=\"303\"\u003eReliable back-siphonage protection:\u003c\/strong\u003e Built to protect potable water systems from contamination in both indoor and outdoor point-of-use applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1v43m4h\" data-start=\"457\" data-end=\"664\"\u003e\n\u003cstrong data-start=\"459\" data-end=\"493\"\u003eCommercial-grade construction:\u003c\/strong\u003e Cast bronze body with stainless steel springs and engineered elastomers ensures strong corrosion resistance and long service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zydda2\" data-start=\"666\" data-end=\"849\"\u003e\n\u003cstrong data-start=\"668\" data-end=\"696\"\u003eConstant pressure ready:\u003c\/strong\u003e Designed for systems that remain under pressure, making it suitable for modern irrigation and mechanical setups. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1n7iol4\" data-start=\"851\" data-end=\"1017\"\u003e\n\u003cstrong data-start=\"853\" data-end=\"880\"\u003eMaintenance efficiency:\u003c\/strong\u003e Modular internal design simplifies servicing, reducing downtime and long-term maintenance costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ho3r81\" data-start=\"1019\" data-end=\"1207\"\u003e\n\u003cstrong data-start=\"1021\" data-end=\"1051\"\u003eCode-compliant protection:\u003c\/strong\u003e Commonly specified to meet ASSE 1056, NSF\/ANSI 61\/372, and CSA certification requirements for potable water safety. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"11pumi5\" data-start=\"1209\" data-end=\"1383\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1211\" data-end=\"1247\"\u003eProfessional installer favorite:\u003c\/strong\u003e Frequently chosen for irrigation, fire protection, and high-risk plumbing applications where reliability and spill control matter most.\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=\"170\"\u003e\u003cstrong data-start=\"0\" data-end=\"49\"\u003eQ: What is the Zurn Wilkins 1-460XL used for?\u003c\/strong\u003e\u003cbr data-start=\"49\" data-end=\"52\"\u003eA: It protects potable water systems from back-siphonage in irrigation and other non-continuous pressure applications.\u003c\/p\u003e\n\u003cp data-start=\"172\" data-end=\"372\"\u003e\u003cstrong data-start=\"172\" data-end=\"224\"\u003eQ: What type of backflow preventer is the 460XL?\u003c\/strong\u003e\u003cbr data-start=\"224\" data-end=\"227\"\u003eA: It is a Spill-Resistant Pressure Vacuum Breaker (PVB), designed to prevent contaminated water from being siphoned back into clean water lines.\u003c\/p\u003e\n\u003cp data-start=\"374\" data-end=\"558\"\u003e\u003cstrong data-start=\"374\" data-end=\"414\"\u003eQ: What does “spill-resistant” mean?\u003c\/strong\u003e\u003cbr data-start=\"414\" data-end=\"417\"\u003eA: It reduces water discharge during operation or pressure changes, helping minimize nuisance spillage while maintaining reliable protection.\u003c\/p\u003e\n\u003cp data-start=\"560\" data-end=\"741\"\u003e\u003cstrong data-start=\"560\" data-end=\"608\"\u003eQ: Where is the 1-460XL typically installed?\u003c\/strong\u003e\u003cbr data-start=\"608\" data-end=\"611\"\u003eA: Common in irrigation systems, commercial landscaping, and outdoor water applications where continuous pressure is not required.\u003c\/p\u003e\n\u003cp data-start=\"743\" data-end=\"930\"\u003e\u003cstrong data-start=\"743\" data-end=\"787\"\u003eQ: What are key features of the 1-460XL?\u003c\/strong\u003e\u003cbr data-start=\"787\" data-end=\"790\"\u003eA: Durable bronze body, replaceable internal components, top-mounted test cocks, and a compact design for easier installation and servicing.\u003c\/p\u003e\n\u003cp data-start=\"932\" data-end=\"1107\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"932\" data-end=\"986\"\u003eQ: Can it be used for continuous pressure systems?\u003c\/strong\u003e\u003cbr data-start=\"986\" data-end=\"989\"\u003eA: No, it is not rated for continuous pressure; it should only be used in systems that are not constantly pressurized.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInspect regularly for leaks, corrosion, and signs of wear around the bonnet and seals.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTest annually to verify proper spill-resistant vacuum breaker operation and code compliance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrain and winterize before freezing conditions to prevent internal damage.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eKeep air ports and vents clean and free of debris for proper function.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReplace worn seals, O-rings, or internal components using approved repair kits as needed.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnsure proper installation orientation and maintain clear access for testing and maintenance.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Zurn","offers":[{"title":"Default Title","offer_id":45805587529919,"sku":"1-460XL","price":476.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/WILKINS_1-460XLWilkins460XLPressureVacuumBreaker1in.LeadFreeCastBronzeSpillResistant_7.png?v=1782960320","url":"https:\/\/www.mybackyardzone.com\/products\/wilkins-1-460xl-wilkins-460xl-pressure-vacuum-breaker-1-in-lead-free-cast-bronze-spill-resistant","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}