All backflow prevention assemblies existing at the time of this subchapter is adopted but which do not meet the requirements hereof shall nonetheless be excluded from the requirements of these rules, provided they were approved for the purposes described herein at the time of installation and have been properly maintained so as to function in the manner originally intended. Such previously existing assemblies nonetheless shall be subject to periodic inspection and testing required by § 51.03. Whenever an existing assembly is moved to another location or requires more than minimum maintenance or where it is determined to constitute a hazard to health, the unit shall be replaced by an approved backflow prevention assembly meeting state requirements.
(Ord. 2001-01, passed 10-10-2001) Penalty, see § 51.99