Concerned about what may be connected to the public water supply in your area? Backflow Preventers and Cross Connection Control practices are required in many states in order to ensure safe drinking water for everyone. Most standardized plumbing codes require specific "Check Valves" to prevent contaminants from backflowing into the supply when the pressure changes. Consult your local water supplier for more information on safety measures in place to prevent backflow contamination of the Public Drinking Water Supply.
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