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 30WH5 | Bard 20WA1 | Difference |
|---|---|---|---|
| Distance from the top to Supply | 1.125" | 1.375" | +0.25" |
| Mismatch | Bard 30WH5 | Bard 20WA1 | Difference |
|---|---|---|---|
| Unit width | 38.25" | 32.25" | -6" |
| Unit height | 74" | 69.375" | -4.625" |
| Unit depth | 15.25" | 13.5" | -1.75" |
| Unit weight | 395 lbs | 315 lbs | -80 lbs |
| Supply Air | 28" x 8" | 20" x 8" | -8" x 0" |
| Return Air | 28" x 14" | 20" x 12" | -8" x -2" |
| Distance between Supply and Return | 18" | 20.5" | +2.5" |
| Distance from Return to bottom | 32.875" | 27.5" | -5.375" |