{"product_id":"watts-f121448-valve","title":"Watts F121448 Valve","description":"\u003cp\u003eUpgrade your commercial hot water systems with the \u003cstrong\u003eWatts F121448 Temperature \u0026amp; Pressure Relief Valve\u003c\/strong\u003e. This \u003cstrong\u003e3\/4-inch LF140S-3 lead-free T\u0026amp;P valve\u003c\/strong\u003e is engineered for high-capacity protection of commercial storage tanks and water heaters. Rated for a \u003cstrong\u003e125 PSI pressure relief setpoint\u003c\/strong\u003e and \u003cstrong\u003e210°F temperature relief\u003c\/strong\u003e, this valve features an \u003cstrong\u003eautomatically reseating design\u003c\/strong\u003e that ensures the system returns to normal operation independently after a relief event. The \u003cstrong\u003elead-free copper silicon alloy body\u003c\/strong\u003e provides superior durability and compliance with strict potable water codes. Designed for direct installation into tank tappings, it includes a \u003cstrong\u003e3-inch nylon-coated thermostat probe\u003c\/strong\u003e for precise thermal sensing. A standout technical feature is the integrated \u003cstrong\u003eSentryPlus Alert flood sensor\u003c\/strong\u003e, which detects excessive discharge in the drain line, allowing contractors to monitor potential system failures through a building management system or cellular gateway when paired with an activation kit.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits for Contractors\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eASME Rated and CSA Listed:\u003c\/strong\u003e Meets rigorous industry standards for high-capacity commercial and institutional plumbing safety.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Flood Detection:\u003c\/strong\u003e Built-in \u003cstrong\u003eSentryPlus Alert technology\u003c\/strong\u003e enables proactive monitoring of relief events to prevent property damage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance:\u003c\/strong\u003e The \u003cstrong\u003elead-free copper silicon alloy\u003c\/strong\u003e construction and \u003cstrong\u003ethermo-bonded coated thermostat\u003c\/strong\u003e are designed for long-term service in harsh water conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTamper-Resistant Security:\u003c\/strong\u003e Includes \u003cstrong\u003etamper-resistant bonnet screws\u003c\/strong\u003e to prevent unauthorized field adjustments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimplified Maintenance:\u003c\/strong\u003e Features a \u003cstrong\u003enon-mechanical seat-to-disc alignment\u003c\/strong\u003e and a standard test lever for reliable seating and manual verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this valve compatible with existing building automation systems?\u003c\/strong\u003e\u003cbr\u003e\nYes, the \u003cstrong\u003eWatts F121448\u003c\/strong\u003e is designed for modern integration. While the sensor is included, a separate \u003cstrong\u003eSentryPlus Alert activation kit\u003c\/strong\u003e is required to relay signals to a BMS via Modbus or the Watts Cellular Gateway.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan the LF140S-3 be used in residential applications?\u003c\/strong\u003e\u003cbr\u003e\nWhile it is primarily built for \u003cstrong\u003ecommercial hot water tanks\u003c\/strong\u003e and institutional heaters requiring higher relieving capacities, it is compatible with any system requiring a \u003cstrong\u003e3\/4-inch NPT connections\u003c\/strong\u003e and a 125 PSI setpoint, provided local codes are followed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the LF140S and the LF140X?\u003c\/strong\u003e\u003cbr\u003e\nThe \u003cstrong\u003eLF140S-3\u003c\/strong\u003e features a \"short\" 3-inch thermostat intended for direct tank tapping installation. The \"X\" version typically features an extended thermostat for installation in the hot water outlet piping away from the tank.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong style=\"color: red;\"\u003eThis item is not eligible for free shipping.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":35654540556,"sku":"F121448","price":728.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_cdca64fc-6047-4e47-8c25-336a56ca3b64.png?v=1775091043","url":"https:\/\/www.gsistore.com\/products\/watts-f121448-valve","provider":"GSIstore","version":"1.0","type":"link"}