---
kind: "section"
citation: "46 C.F.R. § 111.85-1"
title: "46"
number: "111.85-1"
heading: "Electric oil immersion heaters."
url: "https://uscodex.org/cfr/46/111.85-1"
---

# §111.85-1. Electric oil immersion heaters.


Each oil immersion heater must have the following:

- (a) **An operating thermostat.**
- (b) **Heating elements that have no electrical contact with the oil.**
- (c) **A high temperature limiting device that—**
  - (1) Opens all conductors to the heater;
  - (2) Is manually reset; and
  - (3) **Actuates at a temperature below the flashpoint of the oil.**
- (d) **Either—**
  - (1) A low-fluid-level device that opens all conductors to the heater if the operating level drops below the manufacturer's recommended minimum safe level; or
  - (2) **A flow device that opens all conductors to the heater if there is inadequate flow.**

## Notes

### Amendments

[CGD 74-125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28283, June 4, 1996]

### Authority

Authority: 46 U.S.C. 3306, 3703; DHS Delegation No. 00170.1, Revision No. 01.2. Section 111.05-20 and Subpart 111.106 also issued under sec. 617, Pub. L. 111-281, 124 Stat. 2905.

### Source

Source: CGD 74-125A, 47 FR 15236, Apr. 8, 1982, unless otherwise noted.

### Amendments

[CGD 74-125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28283, June 4, 1996]