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 WAG30 | VoltAire AT04 | Difference |
|---|---|---|---|
| Distance from the top to Supply | 1.365" | 1.59" | +0.225" |
| Mismatch | Bard WAG30 | VoltAire AT04 | Difference |
|---|---|---|---|
| Unit width | 38.25" | 17.4" | -20.85" |
| Unit height | 84" | 29.5" | -54.5" |
| Unit depth | 18.75" | 12.9" | -5.85" |
| Unit weight | 420 lbs | 74.7 lbs | -345.3 lbs |
| Supply Air | 28" x 7.88" | 14.38" x 9.5" | -13.62" x +1.62" |
| Return Air | 28" x 13.88" | 14.38" x 11" | -13.62" x -2.88" |
| Distance between Supply and Return | 18" | 5.85" | -12.15" |
| Distance from Return to bottom | 42.875" | 1.56" | -41.315" |