---
kind: "section"
citation: "46 C.F.R. § 63.15-1"
title: "46"
number: "63.15-1"
heading: "General."
url: "https://uscodex.org/cfr/46/63.15-1"
---

# §63.15-1. General.

- (a) Each automatic auxiliary boiler must be designed and constructed for its intended service according to the requirements of the parts referenced in table 1 to [§ 54.01-5](/cfr/46/54.01-5.md) of this subchapter.
- (b) Controls and safety devices for automatic auxiliary boilers must meet the applicable requirements of ASME CSD-1 (incorporated by reference, see [§ 63.05-1](/cfr/46/63.05-1.md)), except Paragraph CG-310.
- (c) All devices and components of an automatic auxiliary boiler must satisfactorily operate within the marine environment. The boiler must satisfactorily operate with a momentary roll of 30°, a list of 15°, and a permanent trim of 5° with it installed in a position as specified by the manufacturer.
- (d) An electrical control used to shut down the automatic auxiliary boiler must be installed in accordance with [§ 58.01-25](/cfr/46/58.01-25.md) of this subchapter. This device must stop the fuel supply to the fuel burning equipment.
- (e) Mercury tube actuated controls are prohibited from being installed and used on automatic auxiliary boilers.

## Notes

### Amendments

[CGD 88-057, 55 FR 24238, June 15, 1990, as amended by USCG-2003-16630, 73 FR 65191, Oct. 31, 2008]

### Source

Source: CGD 88-057, 55 FR 24238, June 15, 1990, as amended by USCG-2020-0634, 89 FR 50197, June 12, 2024, unless otherwise noted.

### Authority

Authority: 46 U.S.C. 3306, 3703; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.3.

### Source

Source: CGD 88-057, 55 FR 24238, June 15, 1990, unless otherwise noted.

### Amendments

[CGD 88-057, 55 FR 24238, June 15, 1990, as amended by USCG-2003-16630, 73 FR 65191, Oct. 31, 2008]