{"product_id":"1-70xl-1in-prv-fnpt-union-x-fnpt-leadfree","title":"Zurn Wilkins 1-70XL 1\" Pressure Reducing Valve — Lead-Free FNPT Union - 1-70XL","description":"\u003ch2\u003eZurn Wilkins 1-70XL 1\" Pressure Reducing Valve — Lead-Free FNPT Union - 1-70XL\u003c\/h2\u003e\n\u003cp\u003eThe Wilkins 1-70XL is a durable, serviceable 1\" pressure reducing valve (PRV) designed for residential and light commercial water systems. Built around a replaceable cartridge and robust materials, it delivers smooth pressure control, long service life, and simple in-field repairs.\u003c\/p\u003e\n\u003cp\u003eIncludes a manufacturer specification sheet and installation manual; repair kits and replacement parts are available to extend service life. For application-specific questions, consult the product literature or a licensed plumbing professional.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable pressure control:\u003c\/strong\u003e Balanced-piston design with factory preset 50 PSI and user-adjustable range from 25–75 PSI for consistent downstream pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e ASTM B584 cast bronze body and bell with stainless steel trim and 300-series stainless steel seat for corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService-friendly cartridge:\u003c\/strong\u003e Unitized, replaceable cartridge and stainless-steel strainer screen simplify maintenance and reduce downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-free certified:\u003c\/strong\u003e Meets NSF\/ANSI\/CAN 61 \u0026amp; 372 for low-lead potable water applications and complies with common plumbing codes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation flexibility:\u003c\/strong\u003e Single-union FNPT connections (threaded x threaded), 5\" inlet-to-outlet length, and a 300 PSI pressure rating; may be installed in any orientation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal expansion protection:\u003c\/strong\u003e Integral bypass\/check prevents pressure buildup from thermal changes in closed systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance ratings:\u003c\/strong\u003e Standard temperature rating 140°F and a factory setting that conserves water and reduces system wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1artq9v\" data-start=\"221\" data-end=\"392\"\u003e\n\u003cstrong data-start=\"223\" data-end=\"253\"\u003eStable pressure regulation\u003c\/strong\u003e: Balanced piston design delivers smooth, consistent outlet pressure even under fluctuating demand. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bhz0qm\" data-start=\"393\" data-end=\"556\"\u003e\n\u003cstrong data-start=\"395\" data-end=\"419\"\u003eBuilt for durability\u003c\/strong\u003e: Cast bronze body with stainless steel internal components resists corrosion and long-term wear. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"109x6s8\" data-start=\"557\" data-end=\"700\"\u003e\n\u003cstrong data-start=\"559\" data-end=\"583\"\u003eLead-free compliance\u003c\/strong\u003e: Safe for potable water systems and meets modern plumbing code requirements. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qpscx3\" data-start=\"701\" data-end=\"845\"\u003e\n\u003cstrong data-start=\"703\" data-end=\"730\"\u003eService-friendly design\u003c\/strong\u003e: Replaceable cartridge system simplifies maintenance and reduces downtime. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ko2uqf\" data-start=\"846\" data-end=\"1013\"\u003e\n\u003cstrong data-start=\"848\" data-end=\"876\"\u003eInstaller-friendly setup\u003c\/strong\u003e: 1\" FNPT union connections allow straightforward installation and replacement in existing lines. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"m80gbc\" data-start=\"1014\" data-end=\"1173\"\u003e\n\u003cstrong data-start=\"1016\" data-end=\"1043\"\u003eHigh pressure tolerance\u003c\/strong\u003e: Rated for up to 300 PSI inlet pressure with adjustable outlet range for precise control.\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=\"213\"\u003e\u003cstrong data-start=\"0\" data-end=\"48\"\u003eQ: What is the Zurn Wilkins 1-70XL used for?\u003c\/strong\u003e\u003cbr data-start=\"48\" data-end=\"51\"\u003eA: A 1\" lead-free pressure reducing valve (PRV) designed to lower and stabilize incoming water pressure in residential and light commercial potable water systems.\u003c\/p\u003e\n\u003cp data-start=\"215\" data-end=\"415\"\u003e\u003cstrong data-start=\"215\" data-end=\"264\"\u003eQ: Is it suitable for drinking water systems?\u003c\/strong\u003e\u003cbr data-start=\"264\" data-end=\"267\"\u003eA: Yes. It is lead-free compliant and certified for potable water use under NSF\/ANSI 61 and related standards. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"417\" data-end=\"548\"\u003e\u003cstrong data-start=\"417\" data-end=\"457\"\u003eQ: What connection type does it use?\u003c\/strong\u003e\u003cbr data-start=\"457\" data-end=\"460\"\u003eA: 1\" FNPT union connections for easy installation and replacement without cutting pipe.\u003c\/p\u003e\n\u003cp data-start=\"550\" data-end=\"729\"\u003e\u003cstrong data-start=\"550\" data-end=\"593\"\u003eQ: What pressure range does it support?\u003c\/strong\u003e\u003cbr data-start=\"593\" data-end=\"596\"\u003eA: Factory preset around 50 PSI, adjustable typically from 25–75 PSI depending on system needs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"731\" data-end=\"916\"\u003e\u003cstrong data-start=\"731\" data-end=\"770\"\u003eQ: What are its performance limits?\u003c\/strong\u003e\u003cbr data-start=\"770\" data-end=\"773\"\u003eA: Rated up to 300 PSI maximum working pressure and suitable for standard residential water temperatures. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"918\" data-end=\"1060\"\u003e\u003cstrong data-start=\"918\" data-end=\"956\"\u003eQ: What materials is it made from?\u003c\/strong\u003e\u003cbr data-start=\"956\" data-end=\"959\"\u003eA: Cast bronze body with stainless steel internal components for durability and corrosion resistance.\u003c\/p\u003e\n\u003cp data-start=\"1062\" data-end=\"1202\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1062\" data-end=\"1106\"\u003eQ: Does it help prevent plumbing issues?\u003c\/strong\u003e\u003cbr data-start=\"1106\" data-end=\"1109\"\u003eA: Yes. It reduces high inlet pressure, helping prevent pipe damage, leaks, and water hammer.\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-b286-42d6f6f630d0-11\" 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-b286-42d6f6f630d0-11\" data-turn-id-container=\"request-WEB:15d07b9e-85e9-40b7-b286-42d6f6f630d0-11\" data-testid=\"conversation-turn-22\" 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=\"3f6f912c-4f36-4ac0-bdf4-c6793c6da25a\" 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=\"66\" data-end=\"738\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"13u4pt8\" data-start=\"66\" data-end=\"159\"\u003eCheck \u003cstrong data-start=\"74\" data-end=\"106\"\u003edownstream pressure annually\u003c\/strong\u003e to confirm stable regulation and correct setpoint.\u003c\/li\u003e\n\u003cli data-section-id=\"dzk2j9\" data-start=\"160\" data-end=\"267\"\u003eInspect for \u003cstrong data-start=\"174\" data-end=\"231\"\u003eleaks, pressure creep, or fluctuating outlet pressure\u003c\/strong\u003e, especially after system changes.\u003c\/li\u003e\n\u003cli data-section-id=\"o3m7o5\" data-start=\"268\" data-end=\"367\"\u003eClean the \u003cstrong data-start=\"280\" data-end=\"324\"\u003eintegral strainer and internal cartridge\u003c\/strong\u003e periodically to remove sediment buildup.\u003c\/li\u003e\n\u003cli data-section-id=\"15xvo5a\" data-start=\"368\" data-end=\"456\"\u003eFlush the supply line before servicing to reduce \u003cstrong data-start=\"419\" data-end=\"453\"\u003edebris entering the valve body\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-section-id=\"1ww8rqs\" data-start=\"457\" data-end=\"534\"\u003eUse a \u003cstrong data-start=\"465\" data-end=\"494\"\u003edownstream pressure gauge\u003c\/strong\u003e when adjusting settings for accuracy.\u003c\/li\u003e\n\u003cli data-section-id=\"1he7y3h\" data-start=\"535\" data-end=\"645\"\u003eReplace worn seals or cartridges using \u003cstrong data-start=\"576\" data-end=\"637\"\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 only.\u003c\/li\u003e\n\u003cli data-section-id=\"1hm06aa\" data-start=\"646\" data-end=\"738\" data-is-last-node=\"\"\u003eAfter servicing, verify pressure settings and check for leaks before returning to service.\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":45805587660991,"sku":"1-70XL","price":252.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/1-70XL-2_bb0df152-f837-46a8-bbed-c38579868298.jpg?v=1782960310","url":"https:\/\/www.mybackyardzone.com\/products\/1-70xl-1in-prv-fnpt-union-x-fnpt-leadfree","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}