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 WA181 | Marvair HVEA24 | Difference |
|---|---|---|---|
| Unit height | 70.5" | 70.59" | +0.09" |
| Supply Air | 19.875" x 7.875" | 28" x 8" | +8.125" x +0.125" |
| Distance from the top to Supply | 2" | 1.88" | -0.12" |
| Mismatch | Bard WA181 | Marvair HVEA24 | Difference |
|---|---|---|---|
| Unit width | 32.875" | 42.05" | +9.175" |
| Unit depth | 16.875" | 17.45" | +0.575" |
| Unit weight | 300 lbs | 445 lbs | +145 lbs |
| Return Air | 19.875" x 11.875" | 28" x 14" | +8.125" x +2.125" |
| Distance between Supply and Return | 20.75" | 17.93" | -2.82" |
| Distance from Return to bottom | 28" | 28.78" | +0.78" |