Skip to main content

COVID-19 resources here. | DLI offices are closed to walk-in customers.

These chapters of Minnesota Rules govern the design, installation, alteration, repair, removal, operation, and maintenance of various types of boilers and high pressure piping equipment.

Minnesota's boiler code consists of:

The documents are published by the American Society of Mechanical Engineers and the National Board Inspection Code is published by the National Board of Boiler and Pressure Vessel Inspectors.

Purchase boiler inspection laws and rules