1" Double Check Valve Assembly, Quarter Turn Ball Valve, Bronze

Watts 1" Lead-Free Double Check Valve Assembly – Commercial-Grade Backflow Protection

Maintain system integrity and code compliance with the Watts 1" Lead-Free Double Check Valve Assembly. Designed for non-health hazard backflow protection in commercial and residential plumbing systems, this assembly is engineered for continuous pressure applications. Its modular construction and durable copper silicon alloy body make it ideal for demanding job sites where performance and longevity matter.

Key Advantages

• Dual Independent Check Modules – Provides redundant protection to prevent reverse flow due to backpressure or backsiphonage.
• Lead-Free Copper Silicon Alloy – NSF 61/NSF 372 certified for potable water applications.
• Modular Design – Facilitates in-line service with a top-entry body and replaceable internal components.
• Quarter-Turn Shutoff Valves – Full port ball valves with positive handle stops for easy isolation and testing.
• Temperature and Pressure Rated – Operates up to 180°F and 175 psi, meeting a broad range of installation environments.

Technical Specifications

• Size: 1 inch
• Body Material: Lead-Free Copper Silicon Alloy
• Pressure Rating: 175 psi
• Temperature Range: 33°F – 180°F
• Certifications: ASSE 1015, CSA B64.5, IAPMO listed
• Connection Type: NPT or optional press connections

Installation Notes

This valve assembly is designed for horizontal installation and should be installed downstream of the water meter in accordance with local code requirements. Although user-friendly, it is recommended that installation be handled by a licensed plumber to ensure compliance with inspection and certification standards. The top-entry body allows for quick check module replacement without removing the body from the line.

Built for Contractors

Watts delivers a backflow preventer that meets the expectations of professional installers. Its corrosion-resistant construction, compact footprint, and simplified maintenance process reduce downtime and increase job site efficiency. Designed to protect potable water systems in commercial buildings, multi-family residences, and irrigation systems, this valve assembly ensures long-term reliability and code compliance.

Summary of Benefits

• ? Modular, Serviceable Design – Quick access to internal check assemblies for fast maintenance.
• ? Full Port Shutoff Valves – Reliable flow control with minimal pressure loss.
• ? Backflow Protection – Meets all major code requirements for containment in low-hazard conditions.
• ? Job-Site Ready – Built to handle frequent pressure cycling and continuous system use.

Protect Your System with Confidence

The Watts 1" Lead-Free Double Check Valve Assembly delivers proven performance for critical backflow prevention needs. Trust its tested components and industry certifications to ensure safe, uninterrupted water service in your next project.