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Uploaded by Battag21 on Jan 4, 2009
Tapping Into The Main Water Supply
Education
Standard YouTube License
where is the backflow/dual check at?
do it right?
not so much.
you have to put in backflow preventer before master valve.
JohnAgee102688 1 year ago
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where is the backflow/dual check at?
do it right?
not so much.
you have to put in backflow preventer before master valve.
JohnAgee102688 1 year ago