{"product_id":"wilkins-zw4004gss-u-25-fire-control-valve-with-grooved-connections-switch","title":"Wilkins ZW4004GSS-U | 2.5\" Fire Control Valve with Grooved Connections \u0026 Switch","description":"\u003cp\u003e\u003cstrong\u003eNOTICE:\u003c\/strong\u003e\u003cem\u003e Product images may vary from the actual item due to differences in size or configuration options.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Wilkins ZW4004GSS-U is a Pressure-Tru™ automatic fire control pressure reducing valve designed for reliable fire protection in sprinkler systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\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 2 1\/2 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Inlet Pressure:\u003c\/strong\u003e 400 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Grooved AWWA C606\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNotable Certifications:\u003c\/strong\u003e UL, C-UL, NYC MEA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupervisory Switch:\u003c\/strong\u003e 3 A @ 125 VAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\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\u003eZW4004GSS-Q:\u003c\/strong\u003e Pressure setting Q\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4004GSS-R:\u003c\/strong\u003e Pressure setting R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4004GSS-S:\u003c\/strong\u003e Pressure setting S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4004GSS-T:\u003c\/strong\u003e Pressure setting T\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eMaterials:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCast bronze ASTM B 584\u003c\/li\u003e\n\u003cli\u003eBuna Nitrile elastomers (FDA approved)\u003c\/li\u003e\n\u003cli\u003eEPDM elastomers (FDA approved)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\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;\"\u003eThe Zurn ZW4004GSS-U is listed as a floor control valve, an indicating valve, and a check valve in automatic sprinkler systems as well as a standpipe valve for CLASS I and CLASS III systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\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 Listed; C-UL Listed; NYC MEA 325-06-E; City of Los Angeles Approved; California State Fire Marshal Listed\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\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\u003ePressure Regulation:\u003c\/strong\u003e Regulates pressure under both flow and no-flow conditions for consistent system performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegral Supervisory Switch:\u003c\/strong\u003e Includes listed supervisory switch with tamper-resistant cover for enhanced monitoring and security.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Set \u0026amp; Non-Adjustable:\u003c\/strong\u003e Pre-configured pressure profile eliminates field adjustment requirements and ensures proper operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Monitoring Ports:\u003c\/strong\u003e Tapped and plugged ports for pressure gauges enable easy system diagnostics and open\/close indication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between the pressure setting profiles (Q, R, S, T, U)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Each pressure setting profile corresponds to different inlet\/outlet pressure characteristics. Profile U has a maximum inlet pressure of 200 psi, while profiles Q, R, S, and T have higher maximum inlet pressures ranging from 225 to 310 psi. Consult the residual pressure charts to select the appropriate setting for your system requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the Wilkins ZW4004GSS-U be field adjusted for different pressure settings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, the ZW4004GSS-U is factory set and non-field adjustable. The valve is configured with a specific pressure profile (U in this case) at the factory to ensure reliable performance and compliance with fire protection standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What systems is this valve approved for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The Zurn ZW4004GSS-U is approved for use as a floor control valve, indicating valve, and check valve in automatic sprinkler systems, as well as a standpipe valve for CLASS I and CLASS III systems. It carries UL, C-UL, NYC MEA 325-06-E, and California State Fire Marshal approvals.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv id=\"W3TucRPBpqQA9ARvwg6ni-content\"\u003e\n\u003cp\u003e\u003cspan\u003e \u003cstrong\u003eNOTICE:\u003c\/strong\u003e Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ci\u003e \"Hydrate Everyone, Everywhere!\" BottleFillingStations.com | \u003ca rel=\"noopener\" href=\"https:\/\/bottlefillingstations.com\/pages\/contact-us\" target=\"_blank\"\u003e Contact us \u003c\/a\u003e \u003c\/i\u003e\u003c\/p\u003e","brand":"Zurn Wilkins","offers":[{"title":"Default Title","offer_id":42983794049087,"sku":"ZW4004GSS-U","price":944.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/ZW4004G_76472961-b56e-4de5-8c6e-ff6e0dc063b4.png?v=1772854954","url":"https:\/\/bottlefillingstations.com\/products\/wilkins-zw4004gss-u-25-fire-control-valve-with-grooved-connections-switch","provider":"BottleFillingStations.com","version":"1.0","type":"link"}