# Nevada — US boiler and pressure vessel inspection requirements by state

For Nevada, governing body is Department of Business & Industry, Division of Industrial Relations, Mechanical Compliance Section; statute citation is Nevada Administrative Code, Title 455C. Boilers, Elevators, and Pressure Vessels; power boiler inspection interval is One annual internal inspection; One annual external inspection at approximately a six-month interval from the internal inspection; low-pressure boiler inspection interval is Low-pressure steam heating boilers: one annual external inspection. Where design and construction permit, an internal inspection shall be conducted biennially. Hot-water heating boilers and hot-water supply boilers: one internal inspection biennially if design and construction permit and inspector/special inspector requests it or external including operational testing of all controls and safety devices. Lined potable water heaters: one biennial external inspection including operational testing of all controls and safety devices; pressure vessel inspection interval is Mechanical Compliance Section jurisdiction: One external inspection quadrennially; internal if design and construction permit. Mine Section jurisdiction: One external inspection triennially; internal if design and construction permit, recorded from its source on 2026-08-05.

- **State:** Nevada _(verified: appears in the quote below)_
- **Governing body:** Department of Business & Industry, Division of Industrial Relations, Mechanical Compliance Section
- **Statute citation:** Nevada Administrative Code, Title 455C. Boilers, Elevators, and Pressure Vessels _(verified: appears in the quote below)_
- **Power boiler inspection interval:** One annual internal inspection; One annual external inspection at approximately a six-month interval from the internal inspection.
- **Low-pressure boiler inspection interval:** Low-pressure steam heating boilers: one annual external inspection. Where design and construction permit, an internal inspection shall be conducted biennially. Hot-water heating boilers and hot-water supply boilers: one internal inspection biennially if design and construction permit and inspector/special inspector requests it or external including operational testing of all controls and safety devices. Lined potable water heaters: one biennial external inspection including operational testing of all controls and safety devices.
- **Pressure vessel inspection interval:** Mechanical Compliance Section jurisdiction: One external inspection quadrennially; internal if design and construction permit. Mine Section jurisdiction: One external inspection triennially; internal if design and construction permit.
- **Accepted inspector types:** An inspection made by a special inspector (employed by an inspection entity), holding a Certificate of Competency received from the division, is accepted in lieu of an inspection made by a Jurisdictional inspector.
- **Exemptions:** Objects meeting exemption rules per NAC 455C.114

## What the source says

> Nevada Administrative Code, Title 455C. Boilers, Elevators, and Pressure Vessels Mine Section:

## Source

- https://www.nationalboard.org/PrintAllSynopsis.aspx?Jurisdiction=Select

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US boiler and pressure vessel inspection requirements by state](https://referencesource.org/boiler-inspection-requirements-by-state/).