ASSE (Plumbing) 1056-2013
- Performance Requirements for Spill Resistant Vacuum Breaker Assemblies
- standard by American Society of Sanitary Engineering, 08/01/2013
- Publisher: ASSE(Plumbing)
$23.00$45.00
The assembly shall:
- Not be subjected to backpressure; and
- Be installed with its critical level (CL) not less than 12 inches (305 mm) above the flood level rim of the fixture or appliances served. In the absence of a critical level (CL) mark on an assembly, the extreme bottom of the body casting shall be considered the critical level of the assembly for testing and installation purposes.
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