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Where systems have a backflow device installed downstream from a potable water supply pump or a potable water supply pump connection, the device shall be one of the following:
  1. Atmospheric vacuum breaker (AVB)
  2. Pressure vacuum breaker backflow prevention assembly (PVB)
  3. Spill-resistant pressure vacuum breaker (SVB)
  4. Reduced-pressure principle backflow prevention assembly (RP)

Related Code Sections* Installation Requirements, Backflow Devices
Means shall be provided downstream of all backflow prevention valves for forward flow tests at a minimum flow rate of the system demand including ...
602.3 Water Supply and Distribution, Backflow Prevention
and domestic purposes and water that becomes contaminated by such plumbing fixture, device, or construction unless there is provided a backflow prevention ...