CSA B149.1:25 Code, Handbook & Training Package

This is the seventeenth edition of CSA B149.1, Natural gas and propane installation code. It supersedes all previous editions published. The CSA B149 Series provides important guidance on how to do your job safely, from handling and storage of natural gas and propane, to safe and effective installation of related appliances and equipment, and more.

The 2025 edition is the latest for the B149.1, Natural gas and propane installation code.

CSA B149.1:25 applies to the installation of:

• Appliances, equipment, components, and accessories where gas is to be used for fuel purposes.
• Piping and tubing systems.
• Vehicle-refueling appliances and associated equipment.
• Stationary gas engines and turbines.

The code has been reviewed by regulatory authorities across Canada, and is expected to be adopted into law in every Canadian province and territory.

Online training:

This self-paced online course will help you understand and apply the key changes in the latest editions of CSA B149.1, Natural gas and propane installation code on your schedule. This online course provides insight into the changes, rationales and impact at your work to help you quickly apply the benefits of the new standards in your organization.

Handbook

This Handbook serves as a means of clarifying Code requirements. The committee members who develop the Code have had experience with most of the information contained in this Handbook, and this experience has served to facilitate their work. The content of the Handbook was derived primarily from submissions made to the CSA B149 Installation Code Committee from a variety of sources.