License: Boilermaker Class 4 (CL4)

May install, alter, or repair boilers and pressure vessels (excluding non-boiler external piping) by welding or other methods of attachment.
More information about this license

  • Registry
  • State exam required
  • No education required
  • Continuing education required
  • Experience required
  • No criminal record requirements
License information updated 07/12/2022