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How do you protect a backflow prevention assembly?
Backflow prevention assemblies should be protected from freezing, physical damage, and tampering. Proper installation, routine maintenance, and timely testing help […]
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How often does the backflow prevention assembly need to be tested?
Most backflow prevention assemblies must be tested annually or as required by state regulations and NBU policies.
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Why do backflow prevention assemblies have to be tested periodically?
Backflow prevention devices contain moving parts that can wear out or fail over time. Periodic testing ensures that the device […]
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What is a backflow preventer?
A backflow preventer is a mechanical device installed on a plumbing system to prevent contaminated water from flowing backward into […]
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How do you prevent backflow?
Backflow is prevented by installing approved backflow prevention devices or maintaining proper air gaps between potable water and potential contaminants. […]
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What is back-siphonage?
Back-siphonage happens when there is a sudden drop in pressure in the public water system, such as during a water […]
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What is backpressure backflow?
Backpressure backflow occurs when pressure in a private plumbing system becomes greater than the pressure in the public water system, […]
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Why does NBU need a Cross-Connection Control and Backflow Prevention Program?
NBU’s Cross-Connection Control and Backflow Prevention Program is required to protect the public drinking water system from contamination. These programs […]