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Serial Number Locations

Serial numbers DO NOT contain the letters "EN" or "CE". These numbers refer to a European Standard for that product. If you cannot locate your serial number, please refer to the following information for assistance.

Buoyancy Compensators (BCDs)

Serial number location
  • The serial number is under the back pad of the BC. It can also be located inside the BC pocket.
  • Earlier Sea Quest and Aqua Lung BCs - The serial number is located behind the hook-and-loop inflator hold down on the left shoulder.
  • 1st generation Wave - It does not have a serial number. Use the LOT number located at the bottom of the WARNING tag.
  • WARNING tag - The tag is sewn inside the pocket.
Serial number location

Regulators

  • 1st stage - The 7 figure serial number is readily visible on the first stage. The 7 figure serial number does not contain: "EN250" or "CE 0098"
  • 2nd stage - The serial number is laser etched into the 2nd stage case. The location varies by model. The 7 figure serial number does not contain: "EN250" or "CE 0098"
Serial number location

Airsource

The serial number is located just above the exhaust valve and always starts with a letter then 5 digits then end with 2 letters again. (Example: R01030MN)