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 WA4842 | Marvair ECUA18 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Bard WA4842 | Marvair ECUA18 | Difference |
|---|---|---|---|
| Unit width | 42" | 18" | -24" |
| Unit height | 84.875" | 58.125" | -26.75" |
| Unit depth | 22.25" | 18.063" | -4.187" |
| Unit weight | 500 lbs | 247 lbs | -253 lbs |
| Supply Air | 19.88" x 7.88" | 14.688" x 12.125" | -5.192" x +4.245" |
| Return Air | 19.88" x 11.88" | 13.25" x 5" | -6.63" x -6.88" |
| Distance from the top to Supply | 2.365" | 20.688" | +18.323" |
| Distance between Supply and Return | 20.5" | 19.062" | -1.438" |
| Distance from Return to bottom | 42.25" | 1.25" | -41" |