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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 Testing Tutorial
Backflow Preventers 101: Double Check vs RPZ
12:10
Backflow Preventers 101: Double Check vs RPZ
YouTubeDavid Butler - Serving Up
7.2K views8 months ago
Water Distribution | Backflow Prevention
9:17
Water Distribution | Backflow Prevention
YouTubeAmerican Water College
72.1K viewsMar 28, 2018
Backflow Prevention Assemblies - What are Backflow preventers, how they work, how to test them
56:08
Backflow Prevention Assemblies - What are Backflow preventers, how they work, how to test them
YouTubeWhat is Backflow
2.5K viewsDec 17, 2024
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