CAUF*****6AA
Initial release of CAUF Dayton Upflow/Downflow coils.
CAUF*****6BA
Burr Oak Louvered Fin released in place of the Wavy Fin.
CAUF****6*DA
Replaced existing copper coils and other associated parts with aluminum components.
CAUF*****6DB
Drain pan material changed.
CAUF1824A6RDB
CAUF1824B6RDB
CAUF36***CA Redesign from 2 row to 3 row for performance improvement.
CAUF3030(A/B)6RDB
CAUF3030(C/D)6RDB
CAUF3131(B/C)6RDB
CAUFA*****6A* Initial Release.
CAUFA*****6B*
CAUFA*****6C*