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 HVEA24 | Bard 18WA1 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Marvair HVEA24 | Bard 18WA1 | Difference |
|---|---|---|---|
| Unit width | 42.05" | 32.25" | -9.8" |
| Unit height | 70.59" | 67.5" | -3.09" |
| Unit depth | 17.45" | 13.5" | -3.95" |
| Unit weight | 445 lbs | 310 lbs | -135 lbs |
| Supply Air | 28" x 8" | 20" x 8" | -8" x 0" |
| Return Air | 28" x 14" | 20" x 12" | -8" x -2" |
| Distance from the top to Supply | 1.88" | 1.375" | -0.505" |
| Distance between Supply and Return | 17.93" | 20.5" | +2.57" |
| Distance from Return to bottom | 28.78" | 25.625" | -3.155" |