{"product_id":"watts-f121602-valve","title":"Watts F121602 Valve","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eWatts F121602 LF340-3 Temperature and Pressure Relief Valve\u003c\/span\u003e\u003cspan\u003e is a \u003c\/span\u003e\u003cspan\u003e1-1\/2-inch lead-free T\u0026amp;P relief valve\u003c\/span\u003e\u003cspan\u003e designed to protect commercial hot water storage tanks and water heaters against excessive temperature and pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis automatic reseating safety valve features a \u003c\/span\u003e\u003cspan\u003e150 PSI pressure relief setting\u003c\/span\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cspan\u003e210°F temperature relief setting\u003c\/span\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cspan\u003e3-inch stainless steel thermostat probe\u003c\/span\u003e\u003cspan\u003e for direct installation in compatible tank tappings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eWatts F121602 commercial water heater relief valve\u003c\/span\u003e\u003cspan\u003e features a lead-free copper silicon alloy body, 1-1\/2-inch NPTF female inlet and outlet connections, tamper-resistant bonnet screws, and non-mechanical seat-to-disc alignment. Its automatic reseating design helps restore valve closure after relief conditions have subsided.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis \u003c\/span\u003e\u003cspan\u003eWatts LF340 series safety relief valve\u003c\/span\u003e\u003cspan\u003e also includes a \u003c\/span\u003e\u003cspan\u003eSentryPlus Alert discharge line flood sensor\u003c\/span\u003e\u003cspan\u003e for detecting excessive relief-valve discharge. Sensor activation requires a separately purchased connection kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVerify tank pressure ratings, heating capacity, thermostat probe clearance, connection dimensions, and applicable plumbing codes before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer:\u003c\/span\u003e\u003cspan\u003e Watts.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003cspan\u003e F121602.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003cspan\u003e LF340-3 150\/210 FS.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eProduct Series:\u003c\/span\u003e\u003cspan\u003e LF340.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eProduct Type:\u003c\/span\u003e\u003cspan\u003e Automatic reseating temperature and pressure relief valve.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eNominal Valve Size:\u003c\/span\u003e\u003cspan\u003e 1-1\/2 inches.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003ePressure Relief Setting:\u003c\/span\u003e\u003cspan\u003e 150 PSI.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eTemperature Relief Setting:\u003c\/span\u003e\u003cspan\u003e 210°F (approximately 99°C).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eMaximum Working Pressure:\u003c\/span\u003e\u003cspan\u003e 112 PSI, as listed in manufacturer specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eThermostat Probe Length:\u003c\/span\u003e\u003cspan\u003e 3 inches.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eThermostat Material:\u003c\/span\u003e\u003cspan\u003e Stainless steel.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eBody Material:\u003c\/span\u003e\u003cspan\u003e Lead-free copper silicon alloy.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eInlet Connection:\u003c\/span\u003e\u003cspan\u003e 1-1\/2-inch female NPTF.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eOutlet Connection:\u003c\/span\u003e\u003cspan\u003e 1-1\/2-inch female NPTF.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eValve Operation:\u003c\/span\u003e\u003cspan\u003e Automatic reseating temperature and pressure protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eSeat Alignment:\u003c\/span\u003e\u003cspan\u003e Non-mechanical seat-to-disc alignment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eBonnet Construction:\u003c\/span\u003e\u003cspan\u003e Tamper-resistant bonnet screws.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eFlood Detection:\u003c\/span\u003e\u003cspan\u003e Includes SentryPlus Alert discharge line flood sensor.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eSensor Activation:\u003c\/span\u003e\u003cspan\u003e Requires a separately purchased connection kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eBuilding Management Integration:\u003c\/span\u003e\u003cspan\u003e Compatible connection options support discharge monitoring through approved monitoring systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eLead-Free Construction:\u003c\/span\u003e\u003cspan\u003e Yes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eCSA Temperature Rating:\u003c\/span\u003e\u003cspan\u003e 1,150,000 BTU\/hr.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eASME Pressure Steam Rating:\u003c\/span\u003e\u003cspan\u003e 6,379,000 BTU\/hr at the 150 PSI relief setting.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eUPC:\u003c\/span\u003e\u003cspan\u003e 098268559453.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003cspan\u003e Commercial hot water storage tanks and water heaters.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eReplacement Reference:\u003c\/span\u003e\u003cspan\u003e Replaces Watts 0121602 in manufacturer-listed applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eInstallation:\u003c\/span\u003e\u003cspan\u003e Verify system design, relief capacity, probe clearance, discharge piping, and applicable code requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCommon Questions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eQ: What is the Watts F121602 temperature and pressure relief valve used for?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA: The \u003c\/span\u003e\u003cspan\u003eWatts F121602 LF340-3\u003c\/span\u003e\u003cspan\u003e protects compatible commercial hot water tanks and water heaters from excessive pressure and temperature. It opens at its specified \u003c\/span\u003e\u003cspan\u003e150 PSI pressure setting\u003c\/span\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cspan\u003e210°F temperature setting\u003c\/span\u003e\u003cspan\u003e to relieve unsafe conditions and is designed to reseat automatically when appropriate operating conditions are restored.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eQ: What are the connection sizes and probe length of the Watts F121602?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA: The valve features \u003c\/span\u003e\u003cspan\u003e1-1\/2-inch female NPTF inlet and outlet connections\u003c\/span\u003e\u003cspan\u003e and a \u003c\/span\u003e\u003cspan\u003e3-inch stainless steel thermostat probe\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe probe must be properly positioned in the water heater or storage tank according to the manufacturer's installation instructions. Confirm the tank tapping dimensions and required relief capacity before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eQ: Does the Watts F121602 include a flood sensor, and can it replace the Watts 0121602?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA: Yes. The \u003c\/span\u003e\u003cspan\u003eWatts F121602\u003c\/span\u003e\u003cspan\u003e includes a \u003c\/span\u003e\u003cspan\u003eSentryPlus Alert discharge line flood sensor\u003c\/span\u003e\u003cspan\u003e, but a separate activation kit is required for monitoring functionality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWatts identifies this model as a replacement for the discontinued \u003c\/span\u003e\u003cspan\u003e0121602\u003c\/span\u003e\u003cspan\u003e. Verify the original valve's pressure setting, temperature setting, connection configuration, probe length, and system requirements before replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDisclaimer\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhile 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\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eF121602 is the cross for 0121602\u003c\/span\u003e\u003c\/p\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":35657901644,"sku":"F121602","price":6167.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Image_6bb46657-94ef-445f-873f-3a12c6799fe4.png?v=1794609404","url":"https:\/\/www.gsistore.com\/en-ca\/products\/watts-f121602-valve","provider":"GSIstore","version":"1.0","type":"link"}