
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, …
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 …
Reduced pressure zone device - Wikipedia
All well washers are installed with RPZ Devices in case a pumping station breaks down, and the sewerage level rises above the well washer, causing backflow down the water supply line.
Why RPZ Valves Are Required and How To Install One
Nov 2, 2023 · RPZ backflow preventers consist of two independent check valves. They work like a double-check backflow preventer, but they also have an intermediate relief valve that opens to …
What is a RPZ Backflow Preventer? - Plumbing Company Pros
May 24, 2025 · A common question among homeowners is, “What is a RPZ backflow preventer and how does it ensure water safety?” RPZ stands for Reduced Pressure Zone, and this special valve setup …
DCVA vs. RPZ: Understanding the Key Differences in Backflow ...
Apr 25, 2025 · Two common, testable assemblies you'll frequently encounter are the Double Check Valve Assembly (DCVA) and the Reduced Pressure Zone (RPZ) backflow preventer. While both …
Don’t Risk Backflow Disaster: Here’s Why RPZs Are the Gold ...
Jan 15, 2025 · An RPZ is a specialized backflow prevention device that ensures water flows in one direction only. It’s like a one-way street for water, but with some serious enforcement mechanisms.