# Maximum and minimum allowable operating pressure; Low-pressure distribution systems.

**Citation:** 49 CFR 192.623  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

(a) No person may operate a low-pressure distribution system at a pressure high enough to make unsafe the operation of any connected and properly adjusted low-pressure gas burning equipment.

(b) No person may operate a low pressure distribution system at a pressure lower than the minimum pressure a

## Document text

(a) No person may operate a low-pressure distribution system at a pressure high enough to make unsafe the operation of any connected and properly adjusted low-pressure gas burning equipment.

(b) No person may operate a low pressure distribution system at a pressure lower than the minimum pressure at which the safe and continuing operation of any connected and properly adjusted low-pressure gas burning equipment can be assured.

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-192.623>
- Source ID: `ecfr`
- SHA-256: `6145d7c1a6484e278ec87f5d81e0a2f9daa1344c9c70b3960fd13cf9d1c4a0c3`
- Retrieved: 2026-08-20T05:54:34.435Z
- Exported: 2026-08-22T15:02:26.891Z
- Document slug: `49-cfr-192-623`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "192",
  "section": "192.623",
  "subpart": "Subpart L—Operations",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```