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Plumbing
Plumber Red Seal Certification
Backflow Prevention & Cross-Connection Control
Knowledge Check
Backflow Prevention & Cross-Connection Control
Knowledge Check
Knowledge Check
1 / 6
For a high-hazard cross-connection protecting against both back-pressure and back-siphonage, the required device is a
A
Double check valve assembly
B
Pressure vacuum breaker
C
Atmospheric vacuum breaker
D
Reduced pressure backflow assembly (RPBA)
Check Answer
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