BackFlow Freeze Protection

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=OLSITIhL3pM

Sprinkler irrigation systems having a Backflow Preventer above ground must be protected during a hard freeze. This video is a quick DIY tutorial on how to pr...

Backflow, Preventer, Freeze, Protection, Drain, Down, Insulate, How, to
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