Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
417.5 Separate Controls for Hot and Cold Water — 2025 California Plumbing Code
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-10-23 · 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) § 417.5 · Effective January 1, 2026 · Official source: Building Standards Commission
Where two separate handles control the hot and cold water, the left-hand control of the faucet where facing the fixture fitting outlet shall control the hot water. Faucets and diverters shall be connected to the water distribution system so that hot water corresponds to the left side of the fixture fitting.
Single-handle mixing valves installed in showers and tub-shower combinations shall have the flow of hot water corresponding to the markings on the fixture fitting.
Get a plain-English answer with a citation back to this text.
Ask AI about this code