A back flow preventer is a device installed in plumbing systems to stop backflow, ensuring that contaminated water does not mix with the clean water supply. It is crucial for maintaining the safety of drinking water in residential, commercial, and industrial settings. Back flow preventers are typically required by plumbing codes in certain applications, such as irrigation systems, fire sprinklers, and commercial kitchen equipment. There are several types of backflow preventers, including double check valves, pressure vacuum breakers, and reduced pressure zone (RPZ) valves. These devices are tested regularly to ensure their functionality, as a faulty back flow preventer can compromise water quality and safety.
« Back to Glossary Index
« Back to Glossary Index