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 AVPA36AC | Marvair MAA1024A "B2" | Difference |
|---|---|---|---|
| Supply Air | 28" x 8" | 19.9" x 7.79" | -8.1" x -0.21" |
| Mismatch | Marvair AVPA36AC | Marvair MAA1024A "B2" | Difference |
|---|---|---|---|
| Unit width | 41.87" | 38.17" | -3.7" |
| Unit height | 70.59" | 76.62" | +6.03" |
| Unit depth | 17.13" | 22.28" | +5.15" |
| Unit weight | 420 lbs | 378 lbs | -42 lbs |
| Return Air | 28" x 14" | 19.9" x 11.9" | -8.1" x -2.1" |
| Distance from the top to Supply | 1.88" | 2.21" | +0.33" |
| Distance between Supply and Return | 17.93" | 20.6" | +2.67" |
| Distance from Return to bottom | 28.78" | 34.12" | +5.34" |