A backflow prevention device is used to ensure that water supplies are protected from contamination or pollution. Where water pressure fails or is reduced, dirty water from the ground or other sources can be drawn into the system. A backflow preventer such as a reduced pressure zone assembly, vacuum breaker, or a dual check valve can save you from the troubles of water contamination. Reduced pressure detectors and backflow prevention test kits additionally monitor and test the status of the device. Keep in mind that in some locations, backflow prevention devices are required by law and must be installed in accordance with plumbing or building codes.
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