A backflow prevention device assembly installed before the effective date of this section shall be permitted to remain in service regardless of whether the device is currently approved by the city, so long as the device:
(A) Was an approved device by the State Health Division at the time of installation;
(B) Was properly installed at the time of installation;
(C) Is:
(a) Properly maintained;
(b) Commensurate with the degree of hazard;
(c) Tested annually as required by this section; and
(d) Performs satisfactorily.
(Ord. 2007-11-04, passed 11-13-2007)