14 CFR · Part 25
14 CFR § 25.833
Combustion heating systems.
Combustion heaters must be approved.
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
Primary Source
14 CFR · Part 25
Combustion heating systems.
Combustion heaters must be approved.
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
Primary Source