Closed Backflow Device no flow.

Closed Backflow Device no flow.

By | Published November 3, 2013 | Full size is 717 × 960 pixels

If your sprinklers are not working and your Backflow device looks like this, you have just found your first problem.
The Discharge side of the backflow device has the horizontal pipe with the blue handle crossing the pipe. the discharge shutoff valve needs to be opened to restore flow the the sprinkler system.

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