Bard WG24
Bard WA181
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air27.88"7.88"27.88"13.88"19.875"7.875"19.875"11.875"38"32.875"81.63"70.5"24.25"16.875"2.37"2"30"20.75"27.5"28"Supply AirReturn AirSupply AirReturn Air
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 Bard WG24 Bard WA181 Difference
Supply Air27.88" x 7.88"19.875" x 7.875"-8.005" x -0.005"
Mismatch Bard WG24 Bard WA181 Difference
Unit width38"32.875"-5.125"
Unit height81.63"70.5"-11.13"
Unit depth24.25"16.875"-7.375"
Unit weight465 lbs300 lbs-165 lbs
Return Air27.88" x 13.88"19.875" x 11.875"-8.005" x -2.005"
Distance from the top to Supply2.37"2"-0.37"
Distance between Supply and Return30"20.75"-9.25"
Distance from Return to bottom27.5"28"+0.5"