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To prevent backflow of contaminated water, a properly installed air gap should be maintained between the faucet and the flood rim of the sink. This gap acts as a physical barrier, ensuring that wastewater cannot siphon back into the potable water supply. Additionally, a vacuum breaker or a backflow prevention device can also be used to further safeguard against potential contamination. Regular inspections and maintenance of these systems are essential to ensure their effectiveness.

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5mo ago

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