2" Bronze Backflow Preventer Check Valve, Pressure Reducing, Lead-Free

Apollo™ RP4A/RPLF4A Lead-Free RPZ Backflow Preventer – Built for Code-Compliant Protection

The Apollo™ RP4A and RPLF4A Series Reduced Pressure Zone Assemblies are engineered to safeguard potable water systems by preventing backflow due to backpressure or backsiphonage. These lead-free assemblies meet the most stringent cross-connection control standards, making them ideal for commercial, industrial, and high-performance residential applications.

Crafted from lead-free bronze (C84400 or C89836) and featuring modular internals, the RP4A/RPLF4A allows for quick access during maintenance while minimizing system downtime. Every unit is assembled and tested in the USA and supported by a 5-year manufacturer’s warranty for proven field reliability.

Engineered for Professional Performance

• Low Pressure Drop – Independently tested to deliver efficient flow with minimal pressure loss across the assembly.
• Compact Modular Check Valves – Fully serviceable cartridges with replaceable silicone seats and captured stainless steel springs.
• Rugged Build Quality – Includes stainless steel handles, bolts, and ball valve shut-offs for long-lasting corrosion resistance.
• Top-Mounted Test Cocks – Facilitates annual testing and inspections without disassembling the unit.
• Chloramine-Resistant Elastomers – Designed to withstand chemically treated water and extend component life.
• Horizontal Installation – Optimized for standard installation orientations found in commercial and mechanical rooms.

Key Technical Information

• Body Material: Lead-Free Bronze (C84400 or C89836)
• Spring Material: Stainless Steel
• Elastomers: Chloramine-Resistant
• Approvals: ASSE 1013, CSA B64.4, IAPMO Certified
• Configuration: Horizontal Orientation
• Factory Warranty: 5 Years

Installation Guidance

This assembly is intended for licensed plumbing professionals. While it features a modular service design and does not require proprietary tools, proper installation must comply with local plumbing codes and may involve backflow certification testing at the time of commissioning. Clearances for servicing, drainage, and testing should be factored into placement decisions.

Why Contractors Rely on the RP4A/RPLF4A

Backed by field-proven durability and a service-friendly layout, the RP4A Series stands up to the demands of real-world applications. Whether it's being installed on irrigation lines, commercial building services, or high-risk zones, this unit provides dependable performance with components that simplify upkeep and streamline compliance testing.

Reliable. Tested. Built to Last.

The Apollo™ RP4A and RPLF4A assemblies are the trusted choice when system integrity and regulatory compliance are non-negotiable. Designed for professionals who expect durability and efficiency, these RPZ valves are a sound investment in long-term system protection.