Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
412.1 Application — 2025 California Plumbing Code
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-09-25 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Plumbing Code (Title 24, Part 5) § 412.1 · Effective January 1, 2026 · Official source: Building Standards Commission
Urinals shall comply with ASME A112.19.2/CSA B45.1, ASME A112.19.19, or CSA B45.5/IAPMO Z124. Wall-mounted urinals shall have an average water consumption not to exceed 0.125 gallons (0.47 L) per flush. Other urinals shall have an average water con- sumption not to exceed 0.5 gallons (1.89 L) per flush.
412.1.1 Wall-Mounted Urinals. [BSC-CG & DSA- SS] The effective flush volume of wall-mounted urinals shall not exceed 0.125 gallons (0.47 L) per flush in com- pliance with Chapter 5, Division 5.3, of the California Green Building Standards Code (CALGreen).
412.1.2 Floor-Mounted Urinals. [BSC-CG & DSA- SS] The effective flush volume of floor-mounted or other urinals shall not exceed 0.5 gallons (1.89 L) per flush in compliance with Chapter 5, Division 5.3, of the California Green Building Standards Code (CALGreen).
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(1) A limiting device conforming to either ASSE 1070/ASME A112.1070/CSA B125.70 or CSA B125.3.
(2) A water heater conforming to ASSE 1084.
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