1-1/2" Copper Reducing Valve, Lead-Free, Female Union x Female

Watts 1-1/2" Lead-Free Pressure Reducing Valve – Consistent Control for High-Demand Systems

The Watts 1-1/2" Pressure Reducing Valve is engineered to deliver consistent downstream pressure in commercial and large residential water systems. Designed to reduce high inlet pressure to a manageable level, this valve protects plumbing infrastructure, enhances system longevity, and improves overall water efficiency.

Built with a corrosion-resistant copper silicon alloy body and featuring a replaceable seat module, this valve offers dependable performance in systems where water quality and pressure control are critical. Whether installed in multi-unit residential buildings, commercial facilities, or industrial applications, this model delivers precision and durability under demanding conditions.

Professional-Grade Features

• Certified Lead-Free Alloy: Meets all current low-lead requirements for potable water systems.
• Adjustable Outlet Pressure: Factory preset at 50 psi but adjustable between 25–75 psi to match system requirements.
• High Inlet Pressure Capacity: Rated for inlet pressures up to 300 psi for use in high-pressure municipal feeds.
• Serviceable In-Line Design: Enables internal maintenance without removing the valve from the line.
• Stainless Steel Integral Strainer: Protects valve internals from particulate buildup and extends service life.
• Thermal Expansion Bypass: Automatically relieves excess pressure caused by thermal expansion in closed systems.

Technical Specifications

• Size: 1-1/2 inch NPT
• Maximum Inlet Pressure: 300 psi
• Outlet Pressure Range: 25 to 75 psi (adjustable)
• Temperature Range: 33°F to 160°F (0.5°C to 71°C)
• Body Material: Lead-free copper silicon alloy
• Dimensions: 8-1/4" L x 4-1/16" W x 9-1/2" H
• Standards: NSF 61, NSF 372, ASSE 1003

Installation Considerations

This valve is intended for professional installation. Proper sizing, pressure adjustment, and isolation valve setup are essential for optimal operation. The in-line serviceable design allows for easy access to the internal cartridge without removing the valve body, simplifying scheduled maintenance and part replacement.

Application Insights

For Contractors:

Perfect for larger systems requiring robust pressure management, this valve is ideal for municipal feeds, commercial risers, and high-demand fixtures. The integral strainer and cartridge-based design minimize service disruptions and labor costs.

For Facilities & Maintenance Teams:

When working in hospitals, schools, or high-occupancy buildings, this valve offers both compliance and performance. Built-in thermal bypass and lead-free construction make it a go-to component for systems with safety and regulatory demands.

Conclusion

The Watts 1-1/2" Lead-Free Pressure Reducing Valve delivers precision pressure control with minimal maintenance requirements. Engineered for high-capacity applications, it provides peace of mind through reliable operation and code compliance. Choose this valve to protect your systems and maintain optimal water delivery across your facility.