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  1. Reduced Pressure Zone Assemblies - Watts

    Designed for use in health hazard cross-connections and continuous pressure applications subject to backpressure or backsiphonage incidents, such as containment at the main service line entrance, …

  2. Reduced Pressure Backflow Preventer | Model 375 | Zurn

    The 375 Reduced Pressure Principle Backflow Assembly is utilized where a potential high health hazard exists and is ideal for use when lead-free valves are required protecting against both backsiphonage …

  3. Reduced Pressure Zone Assembly Backflow Preventers - Ferguson

    Shop Backflow Preventers at Ferguson. Find expert-curated Backflow Preventers products from the #1 US plumbing supplier and top distributor of HVAC, waterworks, and MRO products.

  4. Reduced pressure zone device - Wikipedia

    Reduced pressure zone device connected to a fire hydrant A reduced pressure zone device (RPZD, RPZ, or RPZ valve) is a type of backflow prevention device used to protect water supplies from …

  5. DC vs RPZ Backflow Preventers | The Key Differences - Safe-T-Cover

    Nov 17, 2023 · Learn the key differences between Double-Check (DC) and Reduced Pressure Zone (RPZ) backflow preventers, when to use each, and why it matters for safety.

  6. Reduced-Pressure Zone Backflow Preventers - Grainger

    Reduced pressure zone (RPZ) backflow preventers ensure media travels in one direction and stops back-siphonage and back-pressure in high-hazard applications, such as medical facilities and …

  7. RPZ Backflow Preventers, Assemblies & Valves - SupplyHouse.com

    RPZ Valves and Assemblies prevent potable water supplies from contamination due to backflow. These valves reduce pressure between two check valves, providing a zone where contamination can be …

  8. Amazon.com: RPZ Backflow Preventer

    Watts LF007 Series 3/4" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT Connections, Freeze Sensor, Modular Design

  9. C400 - Ames Fire & Waterworks

    Stainless Steel Reduced Pressure Zone Assembly Backflow Preventers with Flood Sensor - 2 1/2 - 10 IN Sizes. Series C400 reduced pressure zone assemblies feature a flood sensor with SentryPlus …

  10. Understanding Reduced Pressure Zone (RPZ) Backflow Preventers

    Feb 20, 2025 · What is a Reduced Pressure Zone (RPZ) Backflow Preventer? An RPZ backflow preventer is a mechanical device designed to protect potable water supplies from contamination due …