Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
403.3 Exposed Pipes and Surfaces.
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.
Water supply and drain pipes under accessible lavatories and sinks shall be insulated or otherwise be configured to protect against contact. Protectors, insulators, or both shall comply with ASME A112.18.9 or ASTM C1822. [HCD 1-AC] Specific require- ments regarding accommodations for persons with disabili- ties are contained in Chapter 11A of the California Building Code.
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