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AT-400

Enter serial number located on the First Stage below:

(Note: Numbers starting with CE are not the unit's serial number, rather a rating required to sell products in Europe.)

Note: AT-400 and Balanced Diaphragms serviced between May 1, 2006 and October 22, 2007 may also be affected.

If your unit was serviced during this time period please contact your local Authorized AERIS Service Center for a retrofit.

AT-400	Pro Balanced Diaphragm

If your unit was serviced during this time period please contact your local Authorized Oceanic Service Center for a no charge retrofit.

If you need assistance and live outside the United States or have a product purchased outside of the United States: