1/2" Cast Brass Stop and Waste Valve, Lead-Free, Copper x Copper

1/2" S-511 No Lead Stop & Waste Valve – Built for Code Compliance and Long-Term Durability

The 1/2" S-511 Stop & Waste Valve is a job-ready solution for potable water systems that demand both performance and compliance. With a lead-free cast brass body, sweat end connections, and a durable full-pattern design, this valve is engineered for residential and commercial systems where seasonal draining and reliable shutoff are required.

Engineered for Reliability in Potable Water Applications

This valve provides a dependable shutoff point with integrated waste port functionality, making it ideal for systems that require winterization or regular maintenance. Constructed to meet the requirements of U.S. Federal Public Law 111-380, the S-511 is lead-free certified and manufactured to hold up under continuous cold water pressure up to 125 PSI.

Key Performance Advantages

• 125 PSI Cold Working Pressure – Suitable for standard potable plumbing systems.
• Full-Pattern Cast Brass Body – Manufactured using electric-induction furnace casting for material consistency and durability.
• Sweat End Connection – Designed for integration into copper piping systems with proper soldering methods.
• Integrated Waste Port – Allows convenient draining of water lines during maintenance or seasonal shutdowns.
• Reliable Stem Packing – Outperforms packless designs by offering improved sealing capability and long-term integrity.

Product Specifications

• Valve Size: 1/2 inch
• Pressure Rating: 125 PSI CWP
• Valve Body: Cast Brass
• End Connections: Sweat (copper tube compatibility)
• Length (Inlet to Outlet): 2.16 inches
• Height (Open Position): 2.63 inches
• Origin: U.S. Manufactured

Installation Considerations

For optimal results and code compliance, this valve should be installed by a licensed plumbing professional. Proper torch technique, pipe preparation, and orientation of the waste port are essential. Ensure the valve is not installed in a pressurized state during soldering. Allow adequate clearance for access to the waste port during service or seasonal shutdowns.

Product Highlights

• Lead-Free Certification: Fully compliant with NSF/ANSI 61 & 372 and U.S. Public Law 111-380.
• Electric Furnace Casting: Ensures consistent metallurgy and valve body integrity.
• Threaded Bonnet with Stem Packing: Provides secure seal and resistance to leakage under variable pressure.
• Drain Feature: Integrated side port allows safe and simple line drainage.
• Industry-Tested: Third-party validated to meet applicable plumbing codes and industry standards.

Professional-Grade Component for Efficient Water Line Control

The S-511 Stop & Waste Valve is designed to simplify service and protect water systems in cold climates or seasonal operations. With certified lead-free construction and durable internal components, it is a trusted choice for contractors seeking compliance and performance in one compact solution.