The Electronic Safety and Licensing Application (eSLA) is now live for Boilers and Pressure Vessels. Customers must use eSLA to submit plan reviews/permits, as well as search the Public Lookup for this program area.
Visit esla.wi.gov to get started, or go to the
Customer Information page for instructions on first-time login.
Safety requirements are enforced by Industry Services Division staff for power boilers, heating boilers, pressure vessels, and nuclear power plant components. Shop and field consultation and inspections are provided. Boiler repairers are registered and boiler inspectors are certified.
Questions regarding the Boilers and Pressure Vessels code can be sent to
To report a Boiler or Pressure Vessel accident during regular business hours please call (262) 224-6285. After hours, weekends or holidays, please call Wisconsin Emergency Management after-hours incident reporting at 1(800) 943-0003 ext. 2 for assistance.
Guideline to Power Piping||Guideline to Power Piping in State of WI SPS 341|
|Power Piping/Welded Refrigeration Piping Installation Registration (R03/2017) (PDF)|
Power Piping/Welded Refrigeration Piping Installation Registration (R03/2017) (fill-in)
|Boiler and Unfired Pressure Vessel Registration (R06/2019) (PDF)|
Boiler and Unfired Pressure Vessel Registration (R06/2019) (fill-in)
SBD-10787-E||Boiler and Pressure Vessel Accident Report (R10/2015) |
|NB 405||National Board Initial Boiler Certification Report Form C1, NB405|
Test Log||Safety Valve Test Log |
Permit & Invoice Questions
DspsSbInspectionSupport@Wi.gov to update the owner and/or address, to request a replacement permit to operate, or to answer a general invoice inquiry question.