Watts 0556050 Series LF4L 3-4 in. Copper Alloy MNPT x FNPT 150# Relief Valve

Product Description

The Watts 0556050 Series LF4L 3-4 in. Copper Alloy MNPT x FNPT 150# Relief Valve is designed to protect against excessive pressure in plumbing systems. This valve is constructed from lead-free copper alloy and features both male and female NPT threaded connections. It is suitable for use in residential applications, including storage tanks and tankless water heaters.

• Lead-free construction
• Relieves excessive pressure
• ASME approved

Product Highlights

This relief valve features a test lever and a stainless steel spring, providing reliable performance and easy testing. The valve is ANSI Z21.22 approved and CSA listed, ensuring high standards of safety and quality.

Product Information

Standard Information

• Body Material: Lead-Free Copper Silicon Alloy
• Inlet Connection Size: 3/4 in.
• Outlet Connection Size: 3/4 in.

Technical Specifications

• GPM - When Relieved: 7
• Inlet Connection Type: Male Threaded
• Inlet Thread Type: NPT
• Maximum Working Pressure: 150 PSI
• Outlet Connection Type: Female Threaded
• Outlet Thread Type: NPT
• Pressure Steam Discharge Capacity: 500,000 BTU per hour
• Protection Type: Pressure
• Series: LF4L