{"product_id":"3-4-rpz-backflow-17079","title":"Zurn Wilkins 34-375S 3\/4\" Reduced Pressure Backflow Preventer - 34-375S","description":"\u003ch2\u003eZurn Wilkins 34-375S 3\/4\" Reduced Pressure Backflow Preventer - 34-375S\u003c\/h2\u003e\n\u003cp\u003eThe Zurn Wilkins 34-375S 3\/4\" Reduced Pressure Backflow Preventer is a compact, high-hazard RPZ assembly designed to protect potable water supplies from backpressure and backsiphonage. It combines durable construction with easy serviceability to reduce long-term maintenance costs.\u003c\/p\u003e\n\u003cp\u003eDesigned for irrigation, commercial, and industrial systems where non-potable cross-connections pose a health risk, the 34-375S balances reliability and serviceability. Refer to the included installation and maintenance documents and specification sheet for dimensions, repair parts, and detailed installation guidance. Regular testing and annual maintenance by a certified technician will ensure continued compliance and performance.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEZSwap pressure vessel:\u003c\/strong\u003e Removable, UV-resistant reinforced nylon vessel for fast off-line servicing and reduced rebuild time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlush Tool compatible:\u003c\/strong\u003e Flush fitting tool enables quicker line flushing and testing on site.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBronze \"Y\" type strainer:\u003c\/strong\u003e Integral strainer protects internals from debris and simplifies maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh working pressure:\u003c\/strong\u003e Rated to 175 psi for commercial and irrigation applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e ASSE 1013 listed; IAPMO and CSA B64.4 compliant; AWWA C511 alignment and USC Foundation approval for cross-connection control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes and options:\u003c\/strong\u003e Available in sizes 1\/2\" through 2\"; suffix options include S for bronze strainer and other factory options for inlet\/outlet, valve types, and test fittings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"3avmax\" data-start=\"28\" data-end=\"315\"\u003e\n\u003cstrong data-start=\"30\" data-end=\"83\"\u003eExcellent for irrigation and non-potable systems:\u003c\/strong\u003e The \u003cstrong data-start=\"88\" data-end=\"153\" data-is-only-node=\"\"\u003eZurn Wilkins 34-375S 3\/4\" Reduced Pressure Backflow Preventer\u003c\/strong\u003e delivers reliable protection against \u003cstrong data-start=\"191\" data-end=\"208\"\u003ebacksiphonage\u003c\/strong\u003e and \u003cstrong data-start=\"213\" data-end=\"229\"\u003ebackpressure\u003c\/strong\u003e in high-hazard, non-potable water applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hldbse\" data-start=\"316\" data-end=\"529\"\u003e\n\u003cstrong data-start=\"318\" data-end=\"351\"\u003eBuilt for faster maintenance:\u003c\/strong\u003e The patented \u003cstrong data-start=\"365\" data-end=\"402\" data-is-only-node=\"\"\u003eEZSwap® removable pressure vessel\u003c\/strong\u003e allows off-line servicing, helping reduce repair time and simplify seasonal maintenance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ym10fl\" data-start=\"530\" data-end=\"740\"\u003e\n\u003cstrong data-start=\"532\" data-end=\"565\"\u003eIntegrated bronze Y-strainer:\u003c\/strong\u003e A built-in \u003cstrong data-start=\"577\" data-end=\"600\" data-is-only-node=\"\"\u003ebronze wye strainer\u003c\/strong\u003e helps protect internal components from debris, extending service life and reducing maintenance costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4o1366\" data-start=\"741\" data-end=\"960\"\u003e\n\u003cstrong data-start=\"743\" data-end=\"783\"\u003eDesigned for demanding environments:\u003c\/strong\u003e Corrosion-resistant materials and a top-access design make this assembly well suited for outdoor installations and harsh water conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1d6q3n2\" data-start=\"961\" data-end=\"1229\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"963\" data-end=\"1000\"\u003eContractor-preferred performance:\u003c\/strong\u003e With low lifecycle costs, easy winterization, and quick flushing using the compatible Flush Tool, the \u003cstrong data-start=\"1103\" data-end=\"1114\" data-is-only-node=\"\"\u003e34-375S\u003c\/strong\u003e is a popular choice for commercial and residential irrigation professionals.\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-4421-8e73-08f1c3b4dea4-1\" 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-4421-8e73-08f1c3b4dea4-1\" data-turn-id-container=\"request-WEB:688c6da3-751c-4421-8e73-08f1c3b4dea4-1\" data-testid=\"conversation-turn-4\" 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=\"4608626f-b235-446c-ad3a-2f42cd200995\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" 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=\"330\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"0\" data-end=\"81\"\u003eQ: What is the Zurn Wilkins 34-375S 3\/4\" Reduced Pressure Backflow Preventer?\u003c\/strong\u003e\u003cbr data-start=\"81\" data-end=\"84\"\u003eA: The Zurn Wilkins 34-375S is a 3\/4-inch reduced pressure (RP) backflow preventer designed to protect potable water systems from backsiphonage and backpressure in high-hazard, non-potable water applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"332\" data-end=\"597\"\u003e\u003cstrong data-start=\"332\" data-end=\"388\"\u003eQ: What applications is the 34-375S best suited for?\u003c\/strong\u003e\u003cbr data-start=\"388\" data-end=\"391\"\u003eA: It is ideal for irrigation systems, commercial plumbing, industrial water systems, and other non-potable applications requiring reliable cross-connection protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"599\" data-end=\"915\"\u003e\u003cstrong data-start=\"599\" data-end=\"660\"\u003eQ: What are the key features of the Zurn Wilkins 34-375S?\u003c\/strong\u003e\u003cbr data-start=\"660\" data-end=\"663\"\u003eA: It features an EZSwap® removable pressure vessel for faster servicing, an integral bronze Y-strainer to protect internal components, full-port ball valves, and a compact top-access design for easier maintenance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"917\" data-end=\"1171\"\u003e\u003cstrong data-start=\"917\" data-end=\"962\"\u003eQ: Does the 34-375S simplify maintenance?\u003c\/strong\u003e\u003cbr data-start=\"962\" data-end=\"965\"\u003eA: Yes. Its removable pressure vessel and Flush Tool compatibility reduce service time, making testing, flushing, repair, and winterization quicker and more convenient. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1173\" data-end=\"1429\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1173\" data-end=\"1223\"\u003eQ: Is the Zurn Wilkins 34-375S code compliant?\u003c\/strong\u003e\u003cbr data-start=\"1223\" data-end=\"1226\"\u003eA: Yes. It meets major industry standards, including ASSE 1013, CSA B64.4, and USC Foundation approval for reduced pressure principle backflow prevention assemblies. \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-b286-42d6f6f630d0-1\" 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-b286-42d6f6f630d0-1\" data-turn-id-container=\"request-WEB:15d07b9e-85e9-40b7-b286-42d6f6f630d0-1\" data-testid=\"conversation-turn-4\" 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=\"a39404e4-3383-419e-b276-c6f6d46a9d24\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" 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\u003cul data-start=\"23\" data-end=\"1019\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"x3zwch\" data-start=\"23\" data-end=\"193\"\u003eHave the assembly \u003cstrong data-start=\"43\" data-end=\"76\"\u003etested and inspected annually\u003c\/strong\u003e by a certified backflow tester to ensure proper operation and code compliance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3tmcuh\" data-start=\"194\" data-end=\"376\"\u003eRegularly check for \u003cstrong data-start=\"216\" data-end=\"248\"\u003eleaks, corrosion, and debris\u003c\/strong\u003e, especially around the relief valve, test cocks, shutoff valves, and integral Y-strainer. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"438sq\" data-start=\"377\" data-end=\"528\"\u003eClean the \u003cstrong data-start=\"389\" data-end=\"410\"\u003eintegral strainer\u003c\/strong\u003e and flush the system periodically to prevent debris from affecting performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"565bh\" data-start=\"529\" data-end=\"681\"\u003eProtect the assembly from \u003cstrong data-start=\"557\" data-end=\"582\"\u003efreezing temperatures\u003c\/strong\u003e by properly winterizing and draining the unit when required. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17yzdby\" data-start=\"682\" data-end=\"854\"\u003eReplace worn seals, O-rings, diaphragms, and internal components with \u003cstrong data-start=\"754\" data-end=\"790\"\u003egenuine Zurn Wilkins repair kits\u003c\/strong\u003e for reliable performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1r27ryu\" data-start=\"855\" data-end=\"1019\" data-is-last-node=\"\"\u003eAfter any service or repairs, \u003cstrong data-start=\"887\" data-end=\"927\"\u003eperform a certified performance test\u003c\/strong\u003e before returning the backflow preventer to operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\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":45805515604159,"sku":"34-375S","price":530.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/34-375_AR.jpg?v=1782958370","url":"https:\/\/www.mybackyardzone.com\/products\/3-4-rpz-backflow-17079","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}