3/4" x 3/4" Backflow Preventer, Brass Dual Check Valve, Lead Free

3/4" Lead-Free Dual Check Valve – Compact Backflow Protection for Residential Systems

The 3/4" Lead-Free Dual Check Valve is engineered to provide critical backflow protection in non-health hazard residential water systems. Designed to prevent reverse flow and protect potable water lines from cross-contamination, this valve is ideal for use at the service connection or point-of-use locations where continuous pressure is present.

Built with a durable, lead-free brass body and stainless steel internal components, this valve delivers long-term reliability and ease of service. Its compact footprint and union female NPT connections make it well-suited for tight installations while ensuring dependable performance.

Product Advantages

• Lead-Free Certified Brass Construction – Fully compliant with NSF/ANSI 61-G and 372 standards for potable water applications.
• Dual Independent Check Modules – Replaceable cartridges provide redundant protection and simplify servicing.
• Stainless Steel Springs – Engineered for resilience under constant pressure and frequent flow fluctuations.
• Multi-Position Installation – Installs vertically or horizontally to meet various plumbing configurations.
• Compact, One-Piece Body – Minimizes space requirements while offering secure, leak-resistant performance.

Technical Specifications

• Valve Size: 3/4" x 3/4"
• Material: Lead-free brass body
• Inlet/Outlet: Union Female NPT x Female NPT
• Valve Type: Dual check backflow preventer
• Application: Non-health hazard containment (residential or light commercial)

Installation Considerations

This valve is intended for cold water service lines where the potential for low-level backpressure or backsiphonage exists. It is not rated for high-hazard or health-risk scenarios. For best results and code compliance, installation should be completed by a licensed plumber. Valve orientation and direction of flow must be verified to ensure proper operation.

Designed for Professionals

The dual check design, replaceable internal components, and lead-free certification make this valve a dependable choice for contractors installing potable systems. Its corrosion-resistant internals and easy inline serviceability reduce maintenance time and support long-term system performance.

Summary

The 3/4" Lead-Free Dual Check Valve provides cost-effective, low-profile backflow protection without compromising reliability. Whether you're outfitting a new residential system or updating an existing supply line, this valve helps ensure clean water stays protected from reversal and contamination risks.