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 WA301 | Bard WL251 | Difference |
|---|---|---|---|
| Unit height | 70.5" | 70.563" | +0.063" |
| Unit depth | 16.875" | 17.125" | +0.25" |
| Supply Air | 27.875" x 7.875" | 19.88" x 7.88" | -7.995" x +0.005" |
| Distance from the top to Supply | 2" | 2.183" | +0.183" |
| Mismatch | Bard WA301 | Bard WL251 | Difference |
|---|---|---|---|
| Unit width | 37.875" | 33.3" | -4.575" |
| Unit weight | 355 lbs | 300 lbs | -55 lbs |
| Return Air | 27.875" x 13.875" | 19.88" x 11.88" | -7.995" x -1.995" |
| Distance between Supply and Return | 18" | 20.56" | +2.56" |
| Distance from Return to bottom | 28.75" | 28.06" | -0.69" |