12.02.330 Cross connection – Pre-1988 devices.
This section is included in your selections.
Any backflow prevention device installed before October, 1988, which was approved at the time of installation, but is not on the current approved list maintained by the State Health Division may remain in service if.
A. The device is commensurate to the degree of hazard; and
B. The device is properly maintained; and
C. The device is tested at least annually and performs to satisfaction; and
D. The device requires only minimum maintenance.