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§ 18-29-425.3.1 — Ball cocks

Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 18-29-425.3.1

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18-29-425.3.1 Ball cocks.

All flush tanks shall be equipped with an antisiphon ball cock conforming to ASSE 1002 or CSA CAN/CSA B125. The ball cock backflow preventer shall be located at least 1 inch (25 mm) above the full opening of the overflow pipe. A sheathed ball cock shall be installed in all gravity flush tanks in which the flush valve seat is located less than 1 inch (25 mm) above the flood level rim of the bowl.

§ 18-29-425.3.1 — Ball cocks | Chicago, IL — Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) | Corpus