Regulations last checked for updates: May 23, 2025

Title 14 - Aeronautics and Space last revised: May 07, 2025
All TitlesTitle 14Chapter IPart 25Subpart D - Subpart D—Design and Construction
View all text of Subpart D [§ 25.601 - § 25.899]
§ 25.833 - Combustion heating systems.

Combustion heaters must be approved.

[Amdt. 25-72, 55 FR 29783, July 20, 1990]
authority: 49 U.S.C. 106(f), 106(g), 40113, 44701, 44702 and 44704; Pub. L. 115-254, 132 Stat 3281 (49 U.S.C. 44903 note)
source: Docket No. 5066, 29 FR 18291, Dec. 24, 1964, unless otherwise noted.
cite as: 14 CFR 25.833
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