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 42WA | Marvair ECUA18 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Bard 42WA | Marvair ECUA18 | Difference |
|---|---|---|---|
| Unit width | 42" | 18" | -24" |
| Unit height | 84" | 58.125" | -25.875" |
| Unit depth | 23" | 18.063" | -4.937" |
| Unit weight | 500 lbs | 247 lbs | -253 lbs |
| Supply Air | 29.875" x 9.875" | 14.688" x 12.125" | -15.187" x +2.25" |
| Return Air | 29.875" x 15.875" | 13.25" x 5" | -16.625" x -10.875" |
| Distance from the top to Supply | 1.375" | 20.688" | +19.313" |
| Distance between Supply and Return | 30" | 19.062" | -10.938" |
| Distance from Return to bottom | 26.875" | 1.25" | -25.625" |