2023 Backflow Reference Manual 4th Edition

The Fourth edition of this full color illustrated reference manual is designed to teach every aspect of backflow prevention and cross-connection control, from identifying and testing the wide variety of backflow prevention assemblies to proper selection and installation of both testable assemblies and non-testable backflow prevention devices and methods. This manual provides the user with information needed to understand what the degree of hazard or potential risks exist to potable water systems, and whether the proper backflow prevention method, device or assembly has been selected and correctly installed. The manual is the perfect resource for the novice or the expert in the cross-connection control industry. As a textbook for use in backflow certification classes, or a reference manual used to allow waste and water utility personnel a better understanding of how and why backflow events occur this publication is the best reference available.