Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
407.3 Limitation of Hot Water Temperature for Public Lavatories.
California Plumbing Code (Title 24, Part 5) · 2022 edition · updated 2026-09-12 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Lavatories. Hot water delivered from public-use lavatories shall be limited to a maximum temperature of 120°F (49°C). The maximum temperature shall be regulated by one of the following means: (1) A limiting device conforming to either ASSE
1070/ASME A112.1070/CSA B125.70, or (2) A water heater conforming to ASSE 1084.
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