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Backflow Valve
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0:36
YouTube
StAugustineRecord
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
68.6K views
Oct 11, 2017
Backflow Preventer Installation
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