Q1. A plumber is connecting a new bathtub faucet in a Florida home. The supply lines must be protected against backflow. Which device is required by Florida Plumbing Code for this installation?

• ○An atmospheric vacuum breaker installed on the faucet supply line.
• ○A double check valve assembly installed at the water meter.
• ○A pressure vacuum breaker installed downstream of the faucet.
• ○No backflow prevention device is required for bathtub faucets.