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 20WA4 | Bard W12A2 | Difference |
|---|---|---|---|
| Unit depth | 14.625" | 14.67" | +0.045" |
| Mismatch | Bard 20WA4 | Bard W12A2 | Difference |
|---|---|---|---|
| Unit width | 32.375" | 30.29" | -2.085" |
| Unit height | 69.375" | 45.8" | -23.575" |
| Unit weight | 280 lbs | 160 lbs | -120 lbs |
| Supply Air | 19.875" x 7.875" | 17" x 5" | -2.875" x -2.875" |
| Return Air | 19.875" x 11.875" | 17" x 10.05" | -2.875" x -1.825" |
| Distance from the top to Supply | 1.625" | 2.18" | +0.555" |
| Distance between Supply and Return | 20.5" | 5.03" | -15.47" |
| Distance from Return to bottom | 27.5" | 23.54" | -3.96" |