Flushing the test cocks on a PVB before testing.
Flushing out the Pressure Vacuum Breaker to clean out debris from the install.
The check valve passed after a good cleaning.
Nice job, did you install?
I was just inspecting the Backflow device for another irrigator. I want to incorporate water into my pictures when ever possible.
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Backflow Preventers are Designed to be REPAIRED, Not Replaced.