{"product_id":"wilkins-zw4004ilgss-s-2-12-fire-control-prv-grooved-supervisory-switch","title":"Wilkins ZW4004ILGSS-S | 2 1\/2\" Fire Control PRV, Grooved, Supervisory 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 ZW4004ILGSS-S is a Pressure-Tru™ automatic fire control pressure reducing valve designed for reliable pressure regulation in automatic sprinkler and standpipe systems under both flow and no-flow conditions.\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\u003eNotable Certifications:\u003c\/strong\u003e UL Listed, C-UL Listed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Connections:\u003c\/strong\u003e Grooved inlet and outlet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e In-line globe type\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\u003eZW4004ILGSS-R:\u003c\/strong\u003e Pressure setting R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4004ILGSS-T:\u003c\/strong\u003e Pressure setting T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZW4004ILGSS-U:\u003c\/strong\u003e Pressure setting U\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 body (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 ZW4004ILGSS-S 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\u003eFactory Set Pressure:\u003c\/strong\u003e Non-field adjustable design ensures consistent pressure regulation for optimal fire protection system performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegral Supervisory Switch:\u003c\/strong\u003e Built-in listed supervisory switch (3 A @ 125 VAC) monitors valve position with tamper-resistant cover for enhanced system monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Condition Regulation:\u003c\/strong\u003e Regulates pressure effectively under both flow and no-flow conditions for reliable system operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Approvals:\u003c\/strong\u003e UL \u0026amp; C-UL Listed with NYC MEA and Fire Marshal approvals ensure compliance with major fire safety standards.\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 pressure settings S, R, T, and U?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Each pressure setting letter represents a different factory-calibrated outlet pressure profile. Refer to the residual pressure charts to select the appropriate setting based on your system's inlet pressure and required downstream pressure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the pressure setting be adjusted in the field?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, the Wilkins ZW4004ILGSS-S is non-field adjustable and comes factory set to ensure reliable, consistent performance according to design specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the purpose of the integral supervisory switch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The supervisory switch monitors valve position and provides an electrical signal (3 A @ 125 VAC) to alert system operators of any unauthorized valve tampering or position changes, ensuring fire protection system integrity.\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":42983794114623,"sku":"ZW4004ILGSS-S","price":944.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/ZW4004G_ace40a6c-bb00-42e2-abf2-e42ba2b7b310.png?v=1772854961","url":"https:\/\/bottlefillingstations.com\/products\/wilkins-zw4004ilgss-s-2-12-fire-control-prv-grooved-supervisory-switch","provider":"BottleFillingStations.com","version":"1.0","type":"link"}