Chapter 3 — GENERAL REGULATIONS
307.1 Fuel-Burning Appliances — 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) § 307.1 · Effective January 1, 2026 · Official source: Building Standards Commission
Fuel-burning heating appliances shall bear a permanent and legible factory-applied nameplate on which shall appear:
(1) The name or trademark of the manufacturer.
(2) The approved fuel input rating of the appliance, expressed in Btu/h (kW).
(3) The model number or equivalent.
(4) The serial number.
(5) Instructions for the lighting, operation, and shutdown of the appliance.
(6) The type of fuel approved for use with the appliance.
(7) The symbol of an approved agency certifying compliance of the equipment with recognized standards.
(8) Required clearances from combustible surfaces on which or adjacent to which it is permitted to be mounted.
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