IAPMO Backflow Prevention Reference Manual
This manual covers the history of backflow prevention; definitions and devices; backflow prevention hydraulics; testing methods with full, detailed illustrations; an overview of gauges and test kits; troubleshooting guide; cross-connection control surveys; program development; code requirements and installation standards.

Position Papers
Key Insights and Perspectives on topics about the Cross-Connection Industry including training, certification, backflow methods and more.