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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)

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8.17.4.5* 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 ...
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