VoltAire AN04
Bard W18AB
MISMATCH

These units don’t appear to have much in common. If you’re replacing one with the other, you’ll need to make some modifications to wall, unit or something in between with a plate or adapter curb.

Match VoltAire AN04 Bard W18AB Difference
No matches in measurement - - -
Mismatch VoltAire AN04 Bard W18AB Difference
No mismatches in measurement - - -