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Home » Topics » Backflow Prevention

Backflow Prevention
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ARTICLES

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Feature

Retrofitting Backflow Preventers Without Undercutting Sprinkler Performance

Adding a new backflow preventer to an older system may negatively impact fire protection system performance. Here are some best practices to ensure existing sprinkler systems operate as intended when adding backflow preventers.
July 1, 2026
Christopher Culp, PE, CET

Some existing systems were never hydraulically calculated. Some were designed around pipe schedules. Some have little or no remaining safety margin. Add a backflow preventer without understanding the available water supply, system demand and device pressure loss, and a system that once appeared adequate may fail to deliver.


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Code Classroom

The History of Backflow Prevention and Plumbing Codes, Part 1

Major events — especially the 1933 Chicago World’s Fair amoebic dysentery outbreak — led to better research, plumbing codes and the development of testable backflow prevention devices.
July 1, 2026
Ron George

The history of backflow prevention is a story of public health incidents over the years, in which health officials and members of the plumbing industry learned the dangers and health hazards associated with cross-connections after investigating backflow incidents that sickened and killed many people. 


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Watts Named to TIME World’s Most Impactful Companies 2026 List

May 14, 2026

Watts Water Technologies has been named to TIME’s inaugural World’s Most Impactful Companies 2026 list for its commitment to sustainability, water conservation, and global impact.


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Watts Launches Q2 Learn & Win Sweepstakes: Rock the Rec Room

April 30, 2026

This sweepstakes gives customers a chance to build product knowledge while competing to win prizes that transform everyday spaces into family-friendly entertainment areas.


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Watts Named to USA Today America’s Climate Leaders 2026 List

April 28, 2026

This marks the fourth consecutive year Watts has earned this distinction.



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Watts Launches Fast Track to Labor Savings eLearning Campaign

April 20, 2026

This portfolio of labor-saving solutions is built to deliver practical, job-ready knowledge to help contractors, engineers, and installers save time from foundation through finish.


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Watts Water Technologies Completes Acquisition of Superior Boiler

November 18, 2025

Superior offers a comprehensive portfolio that includes firetube, watertube and condensing boilers and has annualized sales of approximately $60 million.


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Newsweek Names Watts One of America’s Greenest Companies

October 29, 2025

Watts has been named one of America’s Greenest Companies by Newsweek magazine for the third consecutive year.


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Watts Launches Q4 Learn & Win Sweepstakes: Tools for Pros

September 25, 2025

Users will have the opportunity to win rugged, high-performance gear from top brands like DeWalt, Carhartt, and more.


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Watts Launches The Accredited Edge Continuing Education eLearning Campaign

September 12, 2025

The program includes six accredited continuing education courses designed to help industry professionals expand their expertise in commercial building leak detection and backflow flood prevention technology.


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