Backflow
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Backflow 146
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Containing a plumbing system from the public water supply requires backflow protection at the _______? 
A. Appliance or fixture 
B. Building foundation 
C. Irrigation system 
D. Service Connection 
E. Sprinkler riser 
Service Connection 
Backflow preventer manufacturers recommend that assemblies be field-tested annually and when_____? 
A. Installed 
B. Moved 
C. Repaired or Installed 
D. Shut down 
E. Water suppliers provide notice 
Repaired or Installed 
A differential pressure gauge reading of...
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Containing a plumbing system from the public water supply requires backflow protection at the _______? 
A. Appliance or fixture 
B. Building foundation 
C. Irrigation system 
D. Service Connection 
E. Sprinkler riser 
Service Connection 
Backflow preventer manufacturers recommend that assemblies be field-tested annually and when_____? 
A. Installed 
B. Moved 
C. Repaired or Installed 
D. Shut down 
E. Water suppliers provide notice 
Repaired or Installed 
A differential pressure gauge reading of...