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 WH361 | Bard WA121 | Difference |
|---|---|---|---|
| Distance from the top to Supply | 2" | 2.25" | +0.25" |
| Mismatch | Bard WH361 | Bard WA121 | Difference |
|---|---|---|---|
| Unit width | 37.875" | 30.125" | -7.75" |
| Unit height | 70.5" | 46" | -24.5" |
| Unit depth | 16.875" | 14.625" | -2.25" |
| Unit weight | 380 lbs | 155 lbs | -225 lbs |
| Supply Air | 27.875" x 7.875" | 17" x 5" | -10.875" x -2.875" |
| Return Air | 27.875" x 13.875" | 17" x 10" | -10.875" x -3.875" |
| Distance between Supply and Return | 18" | 5" | -13" |
| Distance from Return to bottom | 28.75" | 23.75" | -5" |