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Backflow Inspection vs. Backflow Test: The Difference, and the Pros and Cons of Each
A backflow inspection is a visual check; a backflow test is a gauge measurement. Which one your notice wants, who can do…
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What Happens During a Backflow Test? The Procedure, Step by Step
The backflow testing procedure from start to finish: the gauge, the test-cock sequence, the pass thresholds for PVB, RPZ and double check,…
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Backflow Preventer Leaking? What Every Drip, Spray, and Gush Means
How to read a leaking backflow preventer: which PVB and RPZ leak patterns are normal, which are a rebuild, which mean a…