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Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS

409.4 Limitation of Hot Water Temperature in Bath-tubs and Whirlpool Bathtubs.

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.

tubs and Whirlpool Bathtubs. The maximum hot water temperature discharging from the bathtub and whirlpool bathtub filler shall be limited to 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 CSA B125.3. (2) A water heater conforming to ASSE 1084.

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▸Contents — California Plumbing Code (Title 24, Part 5)
California Plumbing Code (Title 24, Part 5)

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