3/4" Bronze Backflow Preventer Check Valve, Pressure Reducing, Lead-Free

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

The Apollo™ RP4A and RPLF4A Series are lead-free reduced pressure zone (RPZ) assemblies engineered to protect potable water systems from contamination due to backsiphonage or backpressure. These assemblies are designed for high-performance commercial, institutional, and industrial applications where consistent protection and compliance with cross-connection control standards are essential.

With a robust, American-made bronze body and top-entry modular components, the RP4A/RPLF4A simplifies maintenance while maintaining peak performance. A five-year manufacturer warranty reinforces long-term reliability in demanding environments.

Product Highlights for Contractors

• Optimized Flow Performance – Engineered to maintain low pressure loss as certified by third-party approvals.
• Modular Check Valve Cartridges – Quick and easy access for internal servicing with no need for proprietary tools.
• Captured Stainless Steel Springs – Improve service life and performance consistency under system pressure.
• Stainless Steel Ball Valve Trim – Heavy-duty handles and fasteners offer resistance to wear and corrosion.
• Test Cocks Mounted at Top – Streamlined for accessibility during field testing and inspection.
• Compact Modular Relief Valve – Simplifies diagnostics and servicing during annual maintenance checks.
• Chloramine-Resistant Elastomers – Engineered to withstand treated water environments and harsh chemical exposure.
• Tool-Free Maintenance – Designed for straightforward installation and service without the need for specialty tools.
• Horizontal Installation – Standard layout compatible with a wide variety of mechanical room configurations.

Application and Installation Overview

The RP4A/RPLF4A assemblies are designed for horizontal installations and must be installed in accordance with local plumbing and backflow prevention regulations. While installation is streamlined with modular components and accessible internals, proper clearances and certified testing are required for code compliance. Installation and testing should be performed by qualified personnel familiar with local inspection standards.

What Professionals Need to Know

On the Jobsite: These units are field-proven to hold up under the demands of commercial applications. From irrigation to domestic water lines, they deliver consistent performance with minimal service interruptions. Contractors benefit from reduced service time, reliable flow characteristics, and components that hold up in real-world use.

Specifications

• Models: RP4A and RPLF4A
• Body Material: Lead-free bronze (C84400 or C89836)
• Springs/Hardware: Stainless steel
• Check Valve Seats: Reversible silicone
• Pressure Rating: Suitable for a broad range of system pressures
• Certifications: ASSE 1013, CSA B64.4, NSF/ANSI 372, IAPMO listed
• Installation: Horizontal
• Warranty: 5-year manufacturer warranty

Reliable Protection Starts Here

For contractors who demand dependable backflow prevention with simplified servicing, the Apollo™ RP4A and RPLF4A offer unmatched performance, compliance, and value. Engineered with installer-focused features and proven in the field, these assemblies are the professional standard for reduced pressure zone protection.