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Earlier editions: 20222019

Chapter 5 — EXHAUST SYSTEMS

519.5 Termination of Type II Hood Exhaust System — 2025 California Mechanical Code

California Mechanical Code (Title 24, Part 4) · 2025 edition · updated 2026-10-19 · 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 Mechanical Code (Title 24, Part 4) § 519.5 · Effective January 1, 2026 · Official source: Building Standards Commission

The exhaust system shall terminate in accordance with Section 502.2.2. Rooftop terminations shall be directed away

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from roof surfaces within 40 inches (1016 mm). The discharge outlet of moisture conveying exhaust ducts, such as dishwasher exhaust ducts, shall not terminate over a public way or over an area where condensate or vapor could create a nuisance or hazard.

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