RPZ Replacement
Minnesota Plumbing Code 4715.2161 requires RPZ’s to be rebuilt every 5 years, if the RPZ valve fails inspection after being rebuilt, it must be replaced. All RPZ work must be performed by a licensed Plumber with a backflow preventer tester identification number. The replacement and maintenance records must be submitted to the administrative authority.
Click Here to Learn more About Minnesota Plumbing Code 4715.2161)