Laws and rules pertaining to boilers, water heaters, and unfired pressure vessels can be found in the following:
- Washington Administrative Code (WAC) Chapter 296-104.
- Revised Code of Washington (RCW) Chapter 70.79.
The laws and rules are maintained and updated by the State Office of the Code Reviser.
Download our Boilers and Unfired Pressure Vessel Laws Book (updated April 2022).
2022 Fee Increase
The Board of Boiler Rules and the Washington Department of Labor & Industries (L&I) have adopted changes to the boiler rules that increase fees by 5.58% for fiscal year 2023. A fee increase is needed to help support expenses for inspections of boilers and pressure vessels and other program public safety activities.
The rule changes affect WAC 296-104-700. What are the inspection fees- Examination fees - Certification fees - Expenses?
Here's what happens next:
April 19, 2022: The final rules (CR-103) were filed with the state's Office of the Code Reviser.
July 1, 2022: The new rules take effect.