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Earlier editions: 20222019

Chapter 13 — FUEL GAS PIPING

1310.13 Systems Containing Gas-Air Mixtures Out-side the Flammable Range — 2025 California Mechanical Code

California Mechanical Code (Title 24, Part 4) · 2025 edition · updated 2026-09-25 · 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) § 1310.13 · Effective January 1, 2026 · Official source: Building Standards Commission

side the Flammable Range. Where gas-air mixing machines are employed to produce mixtures above or below the flammable range, they shall be provided with stops to prevent adjustment of the mixture to within or approaching the flammable range. [NFPA 54:7.10]

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