A reduced pressure backflow preventer shall be required for the following hazards:
1. Residents with hot water heat (boilers); such boilers should have, as per the Indiana Plumbing Code, an expansion tank and or safety valves to prevent expansion problems; and
2. Any residence with a private auxiliary water supply connected to the public supply through the user's private water supply system.
(Ord. No. 1241, § 6, 7-14-93)