Exam (elaborations)
BACKFLOW PREVENTION PRACTICE EXAM Questions with verified answers 2023/2024
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A backflow preventer creates a closed plumbing system that requires the installation of a(n) _____? A. Expansion tank B. Globe valve C. Pressure reducing valve D. Temperature and pressure relief valve E. Utility box key - ANS-Expansion tank A barometric loop must be installed 35 ft (10.7 m)...
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