Evaluate Gauge Reading, (Must be above the RVOP and at Least 5 psi) Jurisdictional Evaluation: (# 1 Check Valve should be at least 3 psi more than the RVOP, However, a reading of less …

Our goal is to become partners with the testing companies in our communities, and we look forward to working with you. Your first step to begin submitting backflow test reports is to …

Observe the gauge reading as Apparent Reading, (AR) Test # 1: Differential Pressure Relief Valve: Test Requirement: Has to keep the Zone at Least 2 psi Less than the Supply Open …

Sep 23, 2024 · If you’ve ever heard of RPZ backflow testing and thought, “What in the world is that?” —don’t worry, you’re not alone! While it may sound like some fancy plumbing jargon, …

Feb 20, 2025 · Learn about Reduced Pressure Zone (RPZ) backflow preventers, their operation, applications, and the importance of regular maintenance to protect your water supply from …

Aug 13, 2024 · Regular testing of RPZ backflow preventers is crucial to ensure the safety and integrity of drinking water systems. By following the steps outlined in this guide, you can …

RPZ assemblies (RPZ), also sometimes called a reduced pressure principle assembly, can prove to be the most secure and reliable of all backflow prevention devices. It protects the potable …