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Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS

405.1 Prohibited Water Closets.

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 closets having an invisible seal or an unventilated space or having walls which are not thoroughly washed at each discharge shall be prohibited. A water closet that might permit siphonage of the contents of the bowl back into the tank shall be prohibited.

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

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