Exam (elaborations)
Backflow Prevention Questions With 100% Correct Answers.
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Air gap separation - ANSI A112.1, Severe High, High or Low Hazard, Backsiphonage/Backpressure. Only absolute means of preventing backflow. Pipe applied Atmospheric Type Vacuum Breaker - ASSE 1001, High or Low Hazard, Backsiphonage only, NO continuous pressure, No downstream valve Anti-siphon Fi...
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