417.7 Head Shampoo Sink Faucets — 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) § 417.7 · Effective January 1, 2026 · Official source: Building Standards Commission

Head shampoo sink faucets shall be supplied with hot water that is limited to not more than 120°F (49°C). Each faucet shall have integral check valves to prevent crossover flow between the hot and cold water supply connections. The means for regulating the maximum temperature shall be in accordance with one of the following:

(1) A limiting device conforming to ASSE 1070/ASME A112.1070/CSA B125.70.

(2) A water heater conforming to ASSE 1084.

(3) A temperature-actuated, flow-reduction device conforming to ASSE 1062.

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California Plumbing Code (Title 24, Part 5)

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