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Gas devices and approvals
Find out how to get Type A and Type B devices approved and how to become a gas device approval authority (GDAA).
Topics
Type A gas devices
Find out how to get a Type A device approved and how to become an approving authority.
Type B gas devices
Find out how to get a Type B device approved and how to become an approving authority.
- Last reviewed: 08 Sep 2021
- Last updated: 08 Sep 2021