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 WA481 | VoltAire AN04 | Difference |
|---|---|---|---|
| Distance from the top to Supply | 2.125" | 1.94" | -0.185" |
| Mismatch | Bard WA481 | VoltAire AN04 | Difference |
|---|---|---|---|
| Unit width | 42" | 14.13" | -27.87" |
| Unit height | 84.875" | 30" | -54.875" |
| Unit depth | 22.5" | 12.3" | -10.2" |
| Unit weight | 500 lbs | 65.6 lbs | -434.4 lbs |
| Supply Air | 29.875" x 9.875" | 11.54" x 11.8" | -18.335" x +1.925" |
| Return Air | 29.875" x 15.875" | 11.54" x 6.59" | -18.335" x -9.285" |
| Distance between Supply and Return | 30" | 7.65" | -22.35" |
| Distance from Return to bottom | 27" | 2.02" | -24.98" |