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 48WA3 | Bard 30WA4 | Difference |
|---|---|---|---|
| Unit width | 38.25" | 38.25" | 0" |
| Distance from the top to Supply | 1.375" | 1.375" | 0" |
| Mismatch | Bard 48WA3 | Bard 30WA4 | Difference |
|---|---|---|---|
| Unit height | 84" | 74" | -10" |
| Unit depth | 18" | 15.25" | -2.75" |
| Unit weight | 496 lbs | 380 lbs | -116 lbs |
| Supply Air | 30" x 10" | 28" x 8" | -2" x -2" |
| Return Air | 30" x 16" | 28" x 14" | -2" x -2" |
| Distance between Supply and Return | 30" | 18" | -12" |
| Distance from Return to bottom | 26.625" | 32.625" | +6" |