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 WA361 | Marvair ECUA18 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Bard WA361 | Marvair ECUA18 | Difference |
|---|---|---|---|
| Unit width | 37.875" | 18" | -19.875" |
| Unit height | 70.5" | 58.125" | -12.375" |
| Unit depth | 16.875" | 18.063" | +1.188" |
| Unit weight | 355 lbs | 247 lbs | -108 lbs |
| Supply Air | 27.875" x 7.875" | 14.688" x 12.125" | -13.187" x +4.25" |
| Return Air | 27.875" x 13.875" | 13.25" x 5" | -14.625" x -8.875" |
| Distance from the top to Supply | 2" | 20.688" | +18.688" |
| Distance between Supply and Return | 18" | 19.062" | +1.062" |
| Distance from Return to bottom | 28.75" | 1.25" | -27.5" |