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Summary of Requirements

What are the requirements to operate boilers and pressure vessels in Tennessee?

  • The Boiler Unit of the Tennessee Department of Labor and Workforce Development grants the permits that are necessary to install boilers and pressure vessels in commercial establishments in the state.


  • All facilities with boilers and water heaters of more than 100,000 Btu/hr are required to obtain a permit-to-install from the state Department of Labor and Workforce Development, Boiler Unit prior to installation.


  • Tennessee does not require a license to operate a boiler except in Shelby County. To obtain a boiler operating license for Shelby County, call (901) 222-8396 or write City of Memphis, Mechanical/Gas, 6465 Mullins Station Road, Memphis, TN 38134.


  • The Department of Labor's Boiler Unit inspects large boilers biannually (every six months) and smaller boilers biennially (every two years).


  • Facilities with boilers must have a designated person check the boiler every 20 minutes.