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 WH361 | Marvair MAA1024A "B2" | Difference |
|---|---|---|---|
| Supply Air | 27.875" x 7.875" | 19.9" x 7.79" | -7.975" x -0.085" |
| Distance from the top to Supply | 2" | 2.21" | +0.21" |
| Mismatch | Bard WH361 | Marvair MAA1024A "B2" | Difference |
|---|---|---|---|
| Unit width | 37.875" | 38.17" | +0.295" |
| Unit height | 70.5" | 76.62" | +6.12" |
| Unit depth | 16.875" | 22.28" | +5.405" |
| Unit weight | 380 lbs | 378 lbs | -2 lbs |
| Return Air | 27.875" x 13.875" | 19.9" x 11.9" | -7.975" x -1.975" |
| Distance between Supply and Return | 18" | 20.6" | +2.6" |
| Distance from Return to bottom | 28.75" | 34.12" | +5.37" |