Watts 0121428 Series LF40L 1 in. Brass MNPT x FNPT 150 210 Relief Valve

Product Description

The Watts 0121428 Series LF40L is a reliable relief valve used in commercial water heater applications. It offers automatic temperature and pressure protection for hot water supply tanks and heaters. This valve has a Lead Free* brass body with MNPT male inlet and FNPT female outlet connections.

• Lead Free brass body
• Automatic reseating feature
• ASME rated and CSA listed

Product Highlights

This relief valve is designed to enhance the safety and efficiency of water heater systems. It has a special thermostat with a thermo-bonded coating and tamper-resistant bonnet screws, making it a robust choice for various heating applications.

Product Information

Standard Information

• Brand: Watts
• Model: LF40L

Technical Specifications

• MPN: 0121428
• Inlet Type: MNPT
• Outlet Type: FNPT
• Material: Brass
• Size: 1 inch
• Pressure Set Point: 150 psi
• Max Temperature: 210 degrees Fahrenheit
• CSA Rating: 500000 BTU/HR
• ASME Rating: 2134000 BTU/HR
• Thermostat Length: 7 inches
• Application: Heating