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How a backflow prevention valve works
0:36
YouTubeStAugustineRecord
How a backflow prevention valve works
CONTRIBUTED A video from WAPRO Inc shows how a backflow prevention valve works. The city of St. Augustine is planning to install these types of valves in Davis Shores, including valves from Tideflex. http://bit.ly/2ybt7JK http://bit.ly/2wO9Ydc
72.2K viewsOct 11, 2017
Backflow Testing Tutorial
Backflow Prevention & Cross Connection Control: Applications & Installations
7:28
Backflow Prevention & Cross Connection Control: Applications & Installations
YouTubeAmericanWaterWorks
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What is a Backflow Preventer and How Does It Work
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What is a Backflow Preventer and How Does It Work
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What is Backflow?
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What is Backflow?
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YouTubeThe Joyce Agency, Inc.
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