Bentonville Guidelines for RPZA Containment in Domestic Water Systems

This rule establishes requirements that Bentonville’s domestic water system shall be protected from cross connection backflow by an approved RPZA or air gap in water service lines. Including of any: (f) Solar heating systems – if there is a solar heating system on the premises, and chemicals are added to the solar heating system or the solar heating system is not used exclusively for once-through heating (i.e., domestic hot water.)