Laws and rules pertaining to boilers, water heaters, and unfired pressure vessels can be found in the following:

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).

Rule development

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?

Rulemaking Documents

CR-101 Preproposal

CR-102 Proposed Rulemaking

CR-102 Proposed Rule Language

Public Hearing Information Packet

CR-103 Adoption

CR-103 Adoption Language

Concise Explanatory Statement (CES)

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.

    All Boiler Program Rulemaking