Plumber Red Seal · Question
In a potable water system, what is the primary purpose of a Reduced Pressure Principle Backflow Assembly (RPBA)?
An RPBA provides the highest level of protection against both back-siphonage and back-pressure for high-hazard cross-connections by creating a reduced pressure
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Question: In a potable water system, what is the primary purpose of a Reduced Pressure Principle Backflow Assembly (RPBA)?
Answer options:
- To increase water pressure in tall buildings. ✅ To protect against back-siphonage and back-pressure in high-hazard situations.
- To filter sediment and debris from the municipal supply.
- To regulate water temperature and prevent scalding.
Correct answer: To protect against back-siphonage and back-pressure in high-hazard situations.
Explanation: An RPBA provides the highest level of protection against both back-siphonage and back-pressure for high-hazard cross-connections by creating a reduced pressure zone with a relief valve.
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