In Minnesota, backflow preventer assembly testers are regulated by the Department of Labor and Industry, and the certification is a designation that is added to a plumbing license. Their website says that any program accredited as an ASSE 5110 course is acceptable.
http://www.dli.mn.gov/workers/plumber/backflow-prevention-certification
No we don't. This website is mostly set up just to exist if we end up doing courses in the state at a later date.
We have found the USC-10th Edition testing procedures to be the most efficient. On our YouTube Channel, we created a series of videos where we test the four types of preventers using these procedures:
Reduced Pressure Principle (RPZ) - USC 2-Valve Procedures
Double Check Valve Assembly (DCV) - USC Procedures
Pressure Vacuum Breaker (PVB) - USC Procedures
Spill Resistant Vacuum Breaker (SVB) - USC Procedures
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