Boiler Unit

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.


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  • Apply for Boiler & Pressure Vessel Installation Permit

    The permit application is used to request a new installation, reinstallation or second-hand installation of a boiler or pressure vessel (lethal service). For further assistance, contact (844) 224-5818.

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  • Obtain a Boiler Unit Form

    Boiler Unit forms are listed with brief, corresponding instruction.

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  • Fees

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

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  • Rules, Interpretations, and Laws

    The board hears matters pertaining to Boiler and Pressure Vessel laws, interprets rules, and provides case opinions.

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  • 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 Boiler Chief at (615) 499-3791.

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  • Boiler Variance

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

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  • Boiler Inspectors

    Meet the Boiler Unit inspectors on Tennessee. A list of inspected counties and corresponding contact information is provided.

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  • General Information

    Additional information and related Boiler Unit sites (i.e. National Board, American Society of Mechanical Engineers, etc.) are provided.

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