Missouri
What is the governing body for Missouri?
For Missouri, governing body is Division of Fire Safety, Boiler and Pressure Vessel Safety Unit; statute citation is Missouri Revised Statutes, Chapter 650. Department of Public Safety, Boiler and Pressure Vessel Act, Sections 200 through 290. Rules of Department of Public Safety, Division 40, Chapter 2, Boiler and Pressure Vessel Safety Rules; power boiler inspection interval is An annual certificate inspection which shall be an internal inspection where construction permits; An annual external inspection while under normal operating conditions; low-pressure boiler inspection interval is Low-pressure boilers and pressure vessels: A biennial certificate inspection: Steam or vapor boilers shall have an external inspection and an internal inspection biennially where construction permits; Hot-water heating and hot-water supply boilers shall have an external inspection biennially and where construction permits, an internal inspection at the discretion of the inspector; pressure vessel inspection interval is Pressure vessels shall have an external inspection biennially, recorded from its source on 2026-08-05.
Power boilers; high-pressure, high-temperature water boilers; waste heat boilers; and unfired steam boilers and thermal fluid heaters: An annual certificate inspection which shall be an internal inspection where construction permits; An annual external inspection while under normal operating conditions. Low-pressure boilers and pressure vessels: A biennial certificate inspection: Steam or vapor boilers shall have an external inspection and an internal inspection biennially where construction permits; Hot-water heating and hot-water supply boilers shall have an external inspection biennially and where construction permits, an internal inspection at the discretion of the inspector; Pressure vessels shall have an external inspection biennially.
— nationalboard.org, retrieved 2026-08-05
- State
- Missouri
- Governing body
- Division of Fire Safety, Boiler and Pressure Vessel Safety Unit
- Statute citation
- Missouri Revised Statutes, Chapter 650. Department of Public Safety, Boiler and Pressure Vessel Act, Sections 200 through 290. Rules of Department of Public Safety, Division 40, Chapter 2, Boiler and Pressure Vessel Safety Rules.
- Power boiler inspection interval
- An annual certificate inspection which shall be an internal inspection where construction permits; An annual external inspection while under normal operating conditions. verified
- Low-pressure boiler inspection interval
- Low-pressure boilers and pressure vessels: A biennial certificate inspection: Steam or vapor boilers shall have an external inspection and an internal inspection biennially where construction permits; Hot-water heating and hot-water supply boilers shall have an external inspection biennially and where construction permits, an internal inspection at the discretion of the inspector.
- Pressure vessel inspection interval
- Pressure vessels shall have an external inspection biennially. verified
- Accepted inspector types
- Inspectors employed by insurance companies and approved owner/user inspection agencies are accepted in lieu of inspections made by the department.
- Exemptions
- Water heaters, pool heaters, and hot-water supply boilers in which none of the following limitations is exceeded: A heat input of 200,000 BTU per hour; A water temperature of 210°F; A nominal water-containing capacity of 120 gallons. Hot-water storage tanks less than or equal to 120 gallons. Pressure vessels that have an internal volume of 6" or less. Pressure vessels that are 1 1/2 cu. ft. in volume or less. Pressure vessels that are operated at 15 psig or less. Pressure vessels that do not exceed either 200 psig or 10 cu. ft. in volume.
Source
- nationalboard.orghttps://www.nationalboard.org/PrintAllSynopsis.aspx?Jurisdiction=Select