The PVB pressure vacuum breaker is designed for installation on potable water lines to prevent contaminated water back-siphonage into the potable water supply. Assembly shall provide protection against back-siphonage where a potential health hazard exists.
Connection of a system where a potential health hazard exists to potable water supply or irrigation system water supply.
The PVB Pressure Vacuum Breaker (Sizes 3/4" & 1") are ASSE 1020 listed and all major national approvals are under the Danfoss Flomatic brand name. For sizes 1-1/4", 1-1/2" and 2" please refer to Conbraco's PVB 4V-500 technical sheet for certification and national approvals.
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