In a residential property, what type of backflow prevention device is required for a fire sprinkler system?
- ADouble-check valve
- BAir gap
- CCheck valve
- Pressure vacuum breaker
Exam tip
Backflow prevention devices are crucial for protecting the potable water supply from contamination.
Why D is correct
Section P295.1 of the 2024 International Residential Code requires a pressure vacuum breaker (PVB) for a fire sprinkler system in a residential property. The PVB prevents backflow of water into the potable water supply, which could contaminate it.
