§ 42-63. Backflow preventer for lawn irrigation system.

Latest version.

Every lawn irrigation system shall be equipped with a reduced pressure principle backflow preventer, a pressure vacuum breaker, or an atmospheric vacuum breaker. Systems with multiple zones, requiring control valves beyond the supply connection, must provide a reduced pressure principle backflow preventer or a pressure vacuum breaker. Atmospheric vacuum breakers may be used only in systems where there are no control valves beyond the backflow preventer.

(Ord. No. 6233-06, § 1)

(Ord. No. 6233-06, § 1)

                    
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