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 WA361 | Bard WA181 | Difference |
|---|---|---|---|
| Unit height | 70.5" | 70.5" | 0" |
| Unit depth | 16.875" | 16.875" | 0" |
| Distance from the top to Supply | 2" | 2" | 0" |
| Mismatch | Bard WA361 | Bard WA181 | Difference |
|---|---|---|---|
| Unit width | 37.875" | 32.875" | -5" |
| Unit weight | 355 lbs | 300 lbs | -55 lbs |
| Supply Air | 27.875" x 7.875" | 19.875" x 7.875" | -8" x 0" |
| Return Air | 27.875" x 13.875" | 19.875" x 11.875" | -8" x -2" |
| Distance between Supply and Return | 18" | 20.75" | +2.75" |
| Distance from Return to bottom | 28.75" | 28" | -0.75" |