An inspector is conducting a backflow prevention device test on a residential property. The device is a double-check valve. According to the 2024 International Residential Code, what is the recommended frequency of testing for this type of device?
- AEvery 6 months
- Every 12 months
- CEvery 18 months
- DEvery 24 months
Exam tip
Understand the code requirements for testing backflow prevention devices to ensure compliance and public safety.
Why B is correct
The correct answer is Every 12 months. According to Section R312.2.1 of the 2024 International Residential Code, double-check valves should be tested annually to ensure proper operation and prevent backflow.