15.40.603.5.10 Steam or hot water boilers.
This section is included in your selections.
Add the following exception:
Exception: Potable water makeup connections to boilers containing only heat-transfer mediums of water or other nontoxic fluid having a toxic rating or Class of one as listed in Clinical Toxicology of Commercial Products, 5th Edition shall be permitted to be provided with a listed backflow preventer with intermediate atmospheric vent.
(Ord. 17-005 § 4, 2017)