613.6 Hot-water distribution system serving patient care areas — 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) § 613.6 · Effective January 1, 2026 · Official source: Building Standards Commission

shall be under constant mechanical recirculation to provide continuous hot water at each hot water outlet. Hot water recir- culation piping shall return the recirculation loop back through the hot water source. Non-recirculated fixture branch piping shall not exceed 10 feet (3.05 meters) in length. Dead-end pip- ing (risers with no flow, branches with no fixture) shall not be installed. In renovation projects, dead-end piping shall be removed in the area of renovation. Empty risers, mains, and branches installed for future use shall be permitted.

Get a plain-English answer with a citation back to this text.

Ask AI about this code

Export this section

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

California Plumbing Code (Title 24, Part 5)

GoCodebook provides public access, search, citation, multilingual explanation, and practical interpretation of legally adopted building regulations. It is not a substitute for the official ICC or California code publications.