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The Watts 825 Reduced Pressure Zone (RPZ) Backflow Preventer is a versatile and reliable solution for protecting against contamination in industrial irrigation systems. Made of lead-free bronze, this backflow preventer meets ASSE 1013, AWWA C-511-92, and CSA B64.4 standards. It is designed to withstand pressure up to 175 psi and temperatures up to 140F. The modular relief and check valves can be removed without the danger of spool substitution, making maintenance a breeze. Use it in systems with high-hazard fluids, and enjoy the peace of mind knowing that your equipment is protected from contamination.