{"product_id":"wilkins-1-backflow-preventer-w-unions","title":"Zurn  Wilkins 975XLU 1\" Reduced-Pressure Backflow Preventer w\/Unions - 1-975XLU","description":"\u003ch2\u003eZurn  Wilkins 975XLU 1\" Reduced-Pressure Backflow Preventer w\/Unions - 1-975XLU\u003c\/h2\u003e\n\u003cp\u003eThe Wilkins 975XLU is a 1\" reduced-pressure principle backflow preventer built for reliable protection of high-hazard, non-potable water systems. Its compact wye-pattern bronze body and union connections make installation and service straightforward while providing robust backflow protection for irrigation and commercial applications.\u003c\/p\u003e\n\u003cp\u003eUse the 975XLU where cross-connection protection is required and a durable, serviceable assembly is preferred. Always consult local codes and a qualified plumbing or irrigation professional for correct installation, testing intervals, and inspection procedures. Refer to the product specification sheet for dimensional data and parts information.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eReduced-pressure principle assembly designed for high-hazard applications.\u003c\/li\u003e\n\u003cli\u003e1\" nominal inlet\/outlet size for standard 1-inch piping systems.\u003c\/li\u003e\n\u003cli\u003eBronze wye-pattern body for corrosion resistance and long service life.\u003c\/li\u003e\n\u003cli\u003eAssembled with union ball valve shutoffs for fast isolation and servicing.\u003c\/li\u003e\n\u003cli\u003eMale pipe thread connections for common plumbing installations.\u003c\/li\u003e\n\u003cli\u003eRated working pressure: 175 psi for typical irrigation and commercial lines.\u003c\/li\u003e\n\u003cli\u003eWye-pattern layout and unions allow easier access to internal components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"choh5s\" data-start=\"28\" data-end=\"336\"\u003e\n\u003cstrong data-start=\"30\" data-end=\"66\"\u003eReliable high-hazard protection:\u003c\/strong\u003e The \u003cstrong data-start=\"71\" data-end=\"154\" data-is-only-node=\"\"\u003eZurn Wilkins 975XLU 1\" Reduced-Pressure Backflow Preventer w\/ Unions (1-975XLU)\u003c\/strong\u003e is designed to protect potable water systems from \u003cstrong data-start=\"205\" data-end=\"253\"\u003ebacksiphonage and backpressure contamination\u003c\/strong\u003e in irrigation and commercial applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rm84vd\" data-start=\"337\" data-end=\"562\"\u003e\n\u003cstrong data-start=\"339\" data-end=\"373\"\u003eUnion design for fast service:\u003c\/strong\u003e Built with \u003cstrong data-start=\"385\" data-end=\"414\" data-is-only-node=\"\"\u003eunion ball valve shutoffs\u003c\/strong\u003e, allowing the entire assembly to be isolated and removed quickly for maintenance or seasonal winterization. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1eou2jk\" data-start=\"563\" data-end=\"791\"\u003e\n\u003cstrong data-start=\"565\" data-end=\"597\"\u003eDurable bronze construction:\u003c\/strong\u003e Features a \u003cstrong data-start=\"609\" data-end=\"641\" data-is-only-node=\"\"\u003ecast bronze wye-pattern body\u003c\/strong\u003e and stainless-steel internals for strong corrosion resistance and long service life in outdoor installations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nvrrx9\" data-start=\"792\" data-end=\"984\"\u003e\n\u003cstrong data-start=\"794\" data-end=\"831\"\u003eDesigned for ease of maintenance:\u003c\/strong\u003e Accessible internal components and modular design help reduce downtime and simplify inspections and repair work. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9hfn3z\" data-start=\"985\" data-end=\"1192\"\u003e\n\u003cstrong data-start=\"987\" data-end=\"1018\"\u003eCode-compliant performance:\u003c\/strong\u003e Widely certified for potable water protection, meeting major standards such as \u003cstrong data-start=\"1098\" data-end=\"1138\" data-is-only-node=\"\"\u003eASSE 1013, CSA, IAPMO, and AWWA C511\u003c\/strong\u003e requirements. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jgxrdv\" data-start=\"1193\" data-end=\"1406\"\u003e\n\u003cstrong data-start=\"1195\" data-end=\"1231\"\u003ePopular irrigation-grade choice:\u003c\/strong\u003e Frequently used in residential and commercial irrigation systems where reliable backflow prevention and seasonal removal are required. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12213a2\" data-start=\"1407\" data-end=\"1603\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1409\" data-end=\"1428\"\u003eImportant note:\u003c\/strong\u003e This model is part of the \u003cstrong data-start=\"1455\" data-end=\"1542\" data-is-only-node=\"\"\u003e975XLU series, which has been discontinued and replaced by updated 975XL2U versions\u003c\/strong\u003e for new installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:688c6da3-751c-4421-8e73-08f1c3b4dea4-5\" 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:688c6da3-751c-4421-8e73-08f1c3b4dea4-5\" data-turn-id-container=\"request-WEB:688c6da3-751c-4421-8e73-08f1c3b4dea4-5\" data-testid=\"conversation-turn-12\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-3 [--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=\"e6849318-0500-49db-970d-88aef9967abb\" data-turn-start-message=\"true\" 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\" 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\u003cp data-start=\"0\" data-end=\"346\"\u003e\u003cstrong data-start=\"0\" data-end=\"80\"\u003eQ: What is the Zurn Wilkins 1-975XLU 1\" Reduced-Pressure Backflow Preventer?\u003c\/strong\u003e\u003cbr data-start=\"80\" data-end=\"83\"\u003eA: The Zurn Wilkins 1-975XLU is a 1-inch reduced pressure principle (RPZ) backflow preventer designed to protect potable water systems from contamination caused by backpressure and backsiphonage in high-hazard applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"348\" data-end=\"608\"\u003e\u003cstrong data-start=\"348\" data-end=\"403\"\u003eQ: What applications is the 1-975XLU best used for?\u003c\/strong\u003e\u003cbr data-start=\"403\" data-end=\"406\"\u003eA: It is commonly used in irrigation systems, commercial plumbing, and other non-potable or high-risk water systems where cross-connection protection is required. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"610\" data-end=\"888\"\u003e\u003cstrong data-start=\"610\" data-end=\"672\"\u003eQ: What are the key features of the Zurn Wilkins 1-975XLU?\u003c\/strong\u003e\u003cbr data-start=\"672\" data-end=\"675\"\u003eA: It features a bronze wye-pattern body, union ball valve shutoffs for easy removal, and corrosion-resistant internal components designed for durability and serviceability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"890\" data-end=\"1154\"\u003e\u003cstrong data-start=\"890\" data-end=\"940\"\u003eQ: Does the 1-975XLU support easy maintenance?\u003c\/strong\u003e\u003cbr data-start=\"940\" data-end=\"943\"\u003eA: Yes. The union connections allow the body to be removed from the line without full disassembly, making inspection and servicing faster, especially in irrigation setups. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1156\" data-end=\"1336\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1156\" data-end=\"1208\"\u003eQ: Is the Zurn Wilkins 1-975XLU still available?\u003c\/strong\u003e\u003cbr data-start=\"1208\" data-end=\"1211\"\u003eA: No. The 975XLU model has been discontinued and replaced by the newer 975XL2U series. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\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\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:15d07b9e-85e9-40b7-b286-42d6f6f630d0-6\" 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-b286-42d6f6f630d0-6\" data-turn-id-container=\"request-WEB:15d07b9e-85e9-40b7-b286-42d6f6f630d0-6\" data-testid=\"conversation-turn-12\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-3 [--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=\"2932e7c9-cfc9-4329-854f-d4fc0f5ca762\" 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=\"80\" data-end=\"806\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"16fprxa\" data-start=\"80\" data-end=\"176\"\u003eSchedule \u003cstrong data-start=\"91\" data-end=\"119\"\u003eannual certified testing\u003c\/strong\u003e to ensure reliable backflow protection and compliance.\u003c\/li\u003e\n\u003cli data-section-id=\"1kwp029\" data-start=\"177\" data-end=\"300\"\u003eInspect routinely for \u003cstrong data-start=\"201\" data-end=\"249\"\u003eleaks, corrosion, and relief valve discharge\u003c\/strong\u003e, especially after pressure changes or shutdowns.\u003c\/li\u003e\n\u003cli data-section-id=\"wrka0a\" data-start=\"301\" data-end=\"411\"\u003eKeep \u003cstrong data-start=\"308\" data-end=\"369\"\u003etest cocks, shutoff valves, and internal components clean\u003c\/strong\u003e to prevent debris-related malfunctions.\u003c\/li\u003e\n\u003cli data-section-id=\"xrjh6h\" data-start=\"412\" data-end=\"512\"\u003eFlush the line after installation or servicing to remove sediment and maintain smooth operation.\u003c\/li\u003e\n\u003cli data-section-id=\"1htw4pk\" data-start=\"513\" data-end=\"605\"\u003eProtect from \u003cstrong data-start=\"528\" data-end=\"553\"\u003efreezing temperatures\u003c\/strong\u003e using insulation or winterization where required.\u003c\/li\u003e\n\u003cli data-section-id=\"grmm1l\" data-start=\"606\" data-end=\"728\"\u003eUse only \u003cstrong data-start=\"617\" data-end=\"683\"\u003egenuine repair kits from \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\u003c\/strong\u003e to preserve performance and certification.\u003c\/li\u003e\n\u003cli data-section-id=\"im9pvj\" data-start=\"729\" data-end=\"806\" data-is-last-node=\"\"\u003eAlways \u003cstrong data-start=\"738\" data-end=\"765\"\u003ere-test after servicing\u003c\/strong\u003e before returning the unit to active use.\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":45805516947647,"sku":"1-975XLU","price":736.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/1-975XLU.jpg?v=1782958607","url":"https:\/\/www.mybackyardzone.com\/products\/wilkins-1-backflow-preventer-w-unions","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}