A backflow prevention device is used to protect potable water supplies from contamination or pollution due to backflow. In water distribution systems, water is normally maintained at a …

Apr 11, 2025 · What Is a Backflow Preventer? A backflow preventer is a device that ensures water flows in only one direction, preventing contaminated water from reversing into your clean …

Plumbing codes mandate that potable water supplies be protected against backflow at all cross-connections. We offer the largest selection of backflow prevention solutions for any application.

Jul 2, 2025 · Air gap, PVB, DCVA, SVB are common types of backflow preventers. Read our guide on backflow testing, prevention devices and installation.

Dec 23, 2025 · This guide will provide a comprehensive overview of the different types of backflow preventers, thei benefits, and how to install and maintain them.

Backflow prevention devices are mechanical devices that direct the flow of water, preventing it from flowing back into the other direction. They are key to protecting the quality of water we …

A backflow prevention device is a valve that makes sure water flows in only one safe direction. It reacts quickly to pressure changes, closing to prevent the backward flow of dirty water.

Feb 25, 2022 · In this article, you can find information on what backflow is, types of backflow prevention devices, how these devices work, and how to install them in your home.

Learn how backflow preventers work, why they matter, and the types used to protect water systems from contamination in residential and commercial buildings.

These devices are required to be tested annually by a State certified backflow specialist.