Vacuum Breakers

Vacuum breakers are backflow prevention devices designed to protect potable water systems from contamination caused by back-siphonage conditions. They function by allowing air to enter the system when negative pressure (vacuum conditions) occurs, breaking the siphon effect and preventing reverse flow of contaminated water into the clean water supply. Vacuum breakers are commonly used in plumbing, irrigation, HVAC, commercial, industrial, and municipal water systems where cross-connection control is required. This category includes hose connection vacuum breakers, pressure vacuum breakers (PVB), and specialty atmospheric vacuum devices used in both residential and commercial applications. Vacuum breakers are typically installed in locations where water discharge or hose connections could create a potential contamination risk.

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