About 31,800 results
Open links in new tab
  1. Backflow prevention device - Wikipedia

    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 significant pressure …

  2. What Is a Backflow Preventer? (And Do You Need One?)

    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 supply. Installed …

  3. 4 Types Of Backflow Preventers And Which One Do You Need

    Jan 22, 2026 · This guide will provide a comprehensive overview of the different types of backflow preventers, thei benefits, and how to install and maintain them.

  4. Backflow Preventers - The Home Depot

    Get free shipping on qualified Backflow Preventers products or Buy Online Pick Up in Store today in the Plumbing Department.

  5. Backflow Preventers - Watts

    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.

  6. What Is a Backflow Prevention Device and How Does It Work?

    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.

  7. What Is a Backflow Preventer and How Does It Work?

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