Boiler Unit

TN Department of Labor & Workforce Development

About Boiler Unit of the Workplace Regulations & Compliance Division

The responsibility of the Boiler Unit is to protect Tennessee’s citizens from potential hazards involved in the operation of boilers and pressure vessels. The three categories of commercial (business, industry, etc.) vessels inspected in Tennessee are high pressure, low pressure and unfired vessels.  

The Boiler Unit oversees all inspections of boilers and pressure vessels including inspections performed by The Deputy or Special Inspectors. The unit licenses boiler repair and erection companies to repair boilers and pressure vessels in Tennessee. These companies are located throughout the nation, with over 180 licensed to service Tennessee.

Contact Us

Boiler Unit
(615) 741-1900

News and Announcements

TN Tech Gram 2021-1

Boiler and Water Heater Inspection Clearances
Jurisdictional Requirements for Boiler and Water Heater Inspection Clearances may be found on page 3.

Public Chapter Starting - March 22, 2018

Inside the Boiler Unit

Apply for Boiler & Pressure Vessel Installation Permit

Click here to apply for boiler or pressure vessel installation permit (PDF). The permit application is used to request a new installation, reinstallation, or second-hand installation of a boiler or pressure vessel (lethal service). For assistance, contact (844) 224-5818 Ext. 222.

Boiler Unit Forms

View the list of Boiler Unit forms and the purpose of each. For example, there are the application for repair/erection license and the application for Certificate of Competency. If you need repairs, view the list of Tennessee licensed erection/repair companies.


A detailing of inspection and certificate fees, as they relate to the operation of Boilers and Pressure Vessels, is provided.

Rules, Interpretations, and Laws

The Board of Boiler Rules hears matters pertaining to Boiler and Pressure Vessel laws, interprets rules, and provides case opinions. You can look up the laws associated with boilers and pressure vessels.

Report an Accident

Owners/users must immediately report any accident involving serious physical injury or fatality relating to a boiler or pressure vessel. Contact the Chief Boiler Inspector at (865) 310-0894.

Boiler Variance

Boiler Variance provides pertinent information in regard to the monitoring and internal inspection schedule of boiler units.

Boiler Inspectors

Meet the Boiler Unit inspectors of Tennessee. A list of inspected counties and corresponding contact information is provided. You may search by inspector name or by Tennessee county.

General Information

Check out information on low-pressure steam boiler and water heater boiler, related boiler and pressure vessel websites (National Board, American Society of Mechanical Engineers), and a violations slideshow.

Board of Boiler Rules

The Board of Boiler Rules supports WRC's Boiler Unit, to protect the general public, owners and users, and their employees from the potential hazards inherent in the operation of boilers and pressure vessels.

Contact Us

Boiler Unit
(615) 741-1900