14 CFR 25.833 - Combustion heating systems.

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

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]