---
kind: "section"
citation: "14 C.F.R. § 25.833"
title: "14"
number: "25.833"
heading: "Combustion heating systems."
url: "https://uscodex.org/cfr/14/25.833"
---

# §25.833. Combustion heating systems.


Combustion heaters must be approved.


## Notes

### Amendments

[Amdt. 25-72, 55 FR 29783, July 20, 1990]

### Authority

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

Source: Docket No. 5066, 29 FR 18291, Dec. 24, 1964, unless otherwise noted.

### Amendments

[Amdt. 25-72, 55 FR 29783, July 20, 1990]