§ 18-29-608.13.5 — Atmospheric-type vacuum breakers
Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 18-29-608.13.5
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18-29-608.13.5 Atmospheric-type vacuum breakers.
Pipe-applied atmospheric-type vacuum breakers shall conform to ASSE 1001 or CSA CAN/CSA B64.1.1. Hose-connection vacuum breakers shall conform to ASSE 1011, CSA CAN/CSA B64.2, ASSE 1019, CSA CAN/CSA B64.2.2, ASSE 1035, CSA B64.7 or ASSE 1052. These devices shall operate wider normal atmospheric pressure when the critical level is installed at the required height.
