// CODE SNIPPET
603.5.1 Atmospheric Vacuum Breaker
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Water closet
and urinal flushometer valves shall be protected against
backflow by an approved backflow prevention assembly,
device, or method. Where the valves are equipped
with an atmospheric vacuum breaker, the vacuum
breaker shall be installed on the discharge side of the
flushometer valve with the critical level not less than 6
inches (152 mm), or the distance according to its listing,
above the overflow rim of a water closet bowl or
the highest part of a urinal.
Related Code Sections
603.5.1 Water Supply and Distribution, Atmospheric Vacuum Breaker
the valves are equipped
with an atmospheric vacuum breaker, the vacuum
breaker shall be installed on the discharge side of the
flushometer valve ...
California Plumbing Code 2016 > 6 Water Supply and Distribution > 603.0 Cross-Connection Control > 603.5 Specific Requirements > 603.5.1 Atmospheric Vacuum Breaker
603.5.1 Water Supply and Distribution, Atmospheric Vacuum Breaker
the valves are
equipped with an atmospheric vacuum breaker, the vacuum
breaker shall be installed on the discharge side of
the flushometer valve ...
California Plumbing Code 2019 > 6 Water Supply and Distribution > 603.0 Cross-Connection Control > 603.5 Specific Requirements > 603.5.1 Atmospheric Vacuum Breaker