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How to Test a Backflow Preventer
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  1. How to Test a
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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 Preventer Installation
How to Install a Lawn Sprinkler Backflow Preventer
14:13
How to Install a Lawn Sprinkler Backflow Preventer
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Right Backflow Preventer Installation
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How To: Replace Backflow Preventer
YouTubeDIY•BRY
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