Skip to Main Content
Logo

The Backflow Hub

Your Resource for Everything Backflow

As water professionals, it's our duty to provide communities with safe, potable water by preventing the ever-present threat of backflow. Whether you're a beginner or a seasoned professional, stay up-to-date on the changing demands of our plumbing systems with resources developed by our backflow experts.

Our Solutions


Learn More

Backflow Basics

Backflow Hub image

What is Backflow?

Backflow describes the undesirable reversal of the flow of water from its intended direction in any pipeline or plumbing system. Caused by cross-connections that can potentially allow contaminants into the drinking water system, backflow incidents occur when wastewater or other hazardous materials enter a potable water supply.
Two Type Backflow

Two Types of Backflow

The two types of backflow are known as backpressure and backsiphonage. Backpressure is defined as pressure higher than the supply pressure, caused by a pump, elevated tank, boiler, or any other means that may cause backflow. Backsiphonage describes backflow caused by negative or reduced pressure in the supply piping, often caused by a sudden drop in supply pressure.
Image for Backflow Hub landing page

How Can Backflow Be Prevented?

Backflow prevention isn't just critical – it's mandated. All major plumbing code bodies address protection against backflow. Plumbing professionals ensure our communities are safe from the dangers of backflow by identifying cross-connections, specifying and installing the appropriate backflow preventers, and inspecting them to ensure they operate correctly and are up to code.

Backflow Preventers Frequently Asked Questions

Complete list of Backflow FAQs

Download backflow e-book series

Submit this form to receive links for these four e-books about backflow prevention strategies by email.

Backflow E-books


Examples of Backflow

Our Backflow Brands

Optimize safety, durability, and compliance with Watts’ complete line of backflow prevention devices. As a leader in valve technology for over 130 years, we offer a variety of high-quality backflow prevention solutions from the Watts family of brands
Logo for backflow hub page

Logo for backflow hub page

Logo for backflow hub page

banner-syncta-logo

Featured Backflow Innovations

Backflow Hub Deringer image

Ames Deringer™

The smallest, lightest, and only all stainless steel backflow in the industry
Image for Backflow Hub landing page

FEBCO MasterSeries®

The most versatile line of backflow prevention assemblies on the market
ArmorTek image for Backflow Hub page

ArmorTek™

Field-proven protection against microbial-induced corrosion (MIC)
Backflow Hub Image

Watts SentryPlus Alert™

The first system that offers automated flood protection
Backflow Hub image

Backflow Training

Catch up on best practices in backflow and water safety anytime, anywhere with eLearning courses and CEU webinars designed to fit your busy schedule.

CEU Webinars

Watts Works Online

Backflow Resources

Catalog Icon

Manual Icon

Spec Sheet Icon

Image for Backflow Hub landing page

Image for Hub landing page, video screen

Image for Backflow Hub landing page