Example: air traffic controller
Please use a separate form for each assembly

Please use a separate form for each assembly

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Certified Backflow Prevention Assembly Tester shall fill out this portion in A. LL . cases: Include the line pressure (taken at number 1test cock with shutoff valve number closed). Include thepressuredrop across first check valve (the differential between second and third test cocks). Include the condition of check valves # 1 and 2.

  Prevention, Backflow, Backflow prevention

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