An integral vacuum breaker is a built-in backflow prevention device typically found in fixtures like sink faucets, shower sprayers, and hose bibbs. It prevents the reverse flow of contaminated water into the potable water supply by allowing air to enter the system when negative pressure is detected. This breaks the vacuum, stopping the backward siphoning of water. Integral vacuum breakers are essential for maintaining water quality and complying with plumbing codes, particularly in situations where there is a risk of cross-contamination. Proper installation, regular inspection, and testing of integral vacuum breakers ensure their effectiveness in protecting the water supply from potential contamination.
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