Chapter 41 — TEMPORARY HEATING AND COOKING OPERATIONS
Section 4103 — PORTABLE FUEL-FIRED HEATING APPLIANCES
2025 California Fire Code (Title 24, Part 9) · 2025 edition · ingested 2026-07-07 · California
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4103.1 Portable unvented heaters. ¶
4103.1 Portable unvented heaters. Portable unvented fuel-fired heating equipment shall be prohibited in occupancies in Groups A, E, I, R-1, R-2, R-2.1, R-2.2, R-3 , R-3.1 and R-4 and ambulatory care facilities. Exceptions: 1. Portable unvented fuel-fired heaters listed and labeled in accordance with UL 647 are permitted to be used in one- and two-family dwellings, where operated and maintained in accordance with the manufacturer’s instructions. 2. Portable outdoor gas-fired heating appliances in accordance with Section 4103.1.2. 4103.1.1 Prohibited locations. Unvented fuel-fired heating…