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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
76.4K viewsOct 11, 2017
Backflow Preventer Installation
Water Distribution | Backflow Prevention
9:17
Water Distribution | Backflow Prevention
YouTubeAmerican Water College
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What Happens When an RPZ Backflow Preventer Fails?
2:45
What Happens When an RPZ Backflow Preventer Fails?
YouTubeSafe-T-Cover
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What Are Backflow Prevention Devices Used For?
7:02
What Are Backflow Prevention Devices Used For?
YouTubeSafe-T-Cover
17.9K viewsJan 3, 2014
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