This exam preparation class for the American Society of Sanitary Engineers backflow tester certification covers hydraulic principles, test gauges, parts and terminology, applications and installations, test procedures, troubleshooting, and test failures and causes. You must document five years of plumbing or drinking water industry experience on the application that we will send to you after you register for the class. The cost includes the textbook and the ASSE exam. Participants must pass an online exam and perform a hands-on exam on a RPZ, DC, PVB, and SRVB to be certified.