It is commonly known as an RPZ valve or a backflow preventer.
RPZ is an acronym for a reduced pressure zone.
It is a type of backflow prevention device used to protect water supplies from contamination in Villa Grove, IL.
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Reduced pressure zones (RPZ) are complex backflow prevention devices that are used in larger plumbing systems or where the risk of contamination is high. RPZ devices consist of two check valves and a relief valve, which creates a zone of reduced pressure between the check valves.Â
When choosing an RPZ backflow prevention system, you can consider things like:
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