Boilers, Pressure Vessels

​​Safety requirements are​ enforced by the Division of Industry Services (DIS) 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.

Report an Accident

To report a Boiler or Pressure Vessel accident during regular business hours please call 608-622-6587. ​After hours, weekends, or holidays, please call Wisconsin Emergency Management after-hours incident reporting at 1(800) 943-0003 ext. 2 for assistance.​

Permit and Invoice Questi​ons

Please email​ to update the owner and/or address, to request a replacement permit to operate, or to answer a general invoice inquiry question.​​

​Technical Questi​ons

Questions regarding​ ​the boilers and pressure vessels code can be sent to DSPSSBBoilertech@wisconsin​.gov.​



Application for the National Board Boiler Inspector Commission/Endorsement Examination 
SBD-4341Inspection Report and Orders (Continued) 
Boiler Regulated Object Inspection Report 
SBD-10663-EUPV Unfired Pressure Vessel Regulated Object Inspection Report 
SBD-10892Pressure Vessel for Human Occupancy Inspection Checklist 
SBD-10893 Historical / Hobby Boiler Inservice Inspection Requirements Checklist 
SBD-10894Historical / Hobby Boiler Internal and Hydro Checklist 
SBD-10896Solid Fuel-Fired Burning Water-Heating Appliance Checklist 
Hydronic Boiler ChecklistHydronic Heating Boiler Checklist 
Steam Boiler Checklist Steam Heating Boiler Checklist 
Unfired Vessel ChecklistUnfired Pressure Vessel Checklist 
Power Boiler ChecklistASME-Section 1 Power Boiler Checklist 
ASME B31 Piping Checklist
ASME B31 Piping Checklist
Power Piping Checklist ASME B31 (PDF)

Power Piping Checklist ASME B31 (fill-in)
SBD-9890X Application for Review, Petition for Variance


Guideline to Power Piping
Guideline to Power Piping in State of WI SPS 341
Power Piping/Welded Refrigeration Piping Installation Registration (PDF)
Power Piping/Welded Refrigeration Piping Installation Registration (fill-in)
Boiler and Unfired Pressure Vessel Registration
SBD-10787-E Boiler and Pressure Vessel Accident Report
NB 405National Board Initial Boiler Certification Report Form C1, NB405
Test Log Safety Valve Test Log 

Document Description
Inspection Guidelines
Inspection Guideslines for Boiler and Pressure Vessel Inspectors
Boiler Pressure VesselBrochure describing DIS Boiler and Pressure Vessel Program
SBD-10879Brochure describing DIS Solid Fuel-Fired Water Heating Appliance
Historical Hobby BoilersBrochure describing DIS Historical/Hobby Boiler Program
Memo SBD-10903 Boiler Temperature Limit Controls Memo
Guidlines-Backflow Protection Guidelines for Backflow Protection of Steam and Hot Water Boilers
Contractor MemoHVAC Equipment Replacement Information
Damarc Inspection MemoDamarc Quality Inspection Service Memo about the Safety and Buildings Division boiler, pressure vessel, and mechanical refrigeration inspection systems having Damarc as an agent 
Relief Valve InstallSteam Safety and Hot Water Relief Valve Installation Requirements for Boilers
Conversion TablesCylindrical Tank Conversion Tables
Power Piping DirectivePower Piping Inspection Directive
Credentialing RequirementsCredentialing Requirements, Boiler Industry Days 2016
Rules for Water Heaters
Rules for Water Heaters Used for Space Heating