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 | Marvair MAA1024A "B2" | VoltAire AN04 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Marvair MAA1024A "B2" | VoltAire AN04 | Difference |
|---|---|---|---|
| Unit width | 38.17" | 14.13" | -24.04" |
| Unit height | 76.62" | 30" | -46.62" |
| Unit depth | 22.28" | 12.3" | -9.98" |
| Unit weight | 378 lbs | 65.6 lbs | -312.4 lbs |
| Supply Air | 19.9" x 7.79" | 11.54" x 11.8" | -8.36" x +4.01" |
| Return Air | 19.9" x 11.9" | 11.54" x 6.59" | -8.36" x -5.31" |
| Distance from the top to Supply | 2.21" | 1.94" | -0.27" |
| Distance between Supply and Return | 20.6" | 7.65" | -12.95" |
| Distance from Return to bottom | 34.12" | 2.02" | -32.1" |