Watts F121449 140 Re-Seating Temp & Pressure Relief Valves 3/4 inches LF140S3

Product Description

The Watts F121449 lead free automatically reseating temperature and pressure relief valve features a 3/4 inch NPTF female inlet and outlet, and a 3 inch coated thermostat. With a pressure relief setpoint of 150 psi and a temperature relief setpoint of 210 degrees F, it provides protection for hot water supply tanks and heaters in commercial applications.

• Features a flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve
• Requires purchase of activation kit to activate sensor
• Lead free copper silicon alloy body

Product Highlights

This valve includes tamper resistant bonnet screws, a test lever, and a nonrestrictive discharge drain line flood sensor.

Product Information

Standard Information

• Brand: WATTS
• Manufacturer Part Number: F121449

Technical Specifications

• Body Material: Lead Free Copper Silicon Alloy
• Inlet Connection Size: 3/4 IN
• Inlet Connection Type: Female Threaded
• Inlet Thread Type: NPTF
• Lead Free: Yes
• Maximum Temperature-Fahrenheit: 210
• Maximum Working Pressure-PSI: 112
• Outlet Connection Size: 3/4 IN
• Outlet Connection Type: Female Threaded
• Outlet Thread Type: NPTF
• Pressure Relief Setting-PSI: 150
• Protection Type: Temperature And Pressure
• Temperature Relief-Fahrenheit: 210
• Thermostat Material: Nylon Coated Copper
• Thermostat Probe Length: 3 IN
• Size: 3/4"
• Pressure Set Point: 150 psi
• Inlet Type: FNPT
• Thermostat Length: 3"
• ASME: Yes
• Material: Bronze, Stainless Steel
• Application: Heating
• Thread Type: Female
• Temperature Range (F): 210°F Max
• Connection Type: Threaded
• Outlet Type: FNPT
• CSA Rating (BTU/HR): 180000
• ASME Rating (BTU/HR): 1438000
• Width: 2-5/8"
• Brand: Watts
• Part Number: F121449
• Series: LF140
• MPN: F121449