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 HVPA24HP | Marvair MAA1024A "B2" | Difference |
|---|---|---|---|
| Supply Air | 28" x 8" | 19.9" x 7.79" | -8.1" x -0.21" |
| Distance from the top to Supply | 2" | 2.21" | +0.21" |
| Mismatch | Marvair HVPA24HP | Marvair MAA1024A "B2" | Difference |
|---|---|---|---|
| Unit width | 47.875" | 38.17" | -9.705" |
| Unit height | 70.625" | 76.62" | +5.995" |
| Unit depth | 17.125" | 22.28" | +5.155" |
| Unit weight | 420 lbs | 378 lbs | -42 lbs |
| Return Air | 28" x 14" | 19.9" x 11.9" | -8.1" x -2.1" |
| Distance between Supply and Return | 17.875" | 20.6" | +2.725" |
| Distance from Return to bottom | 28.75" | 34.12" | +5.37" |