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 W42G3 | Marvair ECUA18 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Bard W42G3 | Marvair ECUA18 | Difference |
|---|---|---|---|
| Unit width | 42" | 18" | -24" |
| Unit height | 87.5" | 58.125" | -29.375" |
| Unit depth | 27.25" | 18.063" | -9.187" |
| Unit weight | 700 lbs | 247 lbs | -453 lbs |
| Supply Air | 29.88" x 9.88" | 14.688" x 12.125" | -15.192" x +2.245" |
| Return Air | 29.88" x 15.88" | 13.25" x 5" | -16.63" x -10.88" |
| Distance from the top to Supply | 2.99" | 20.688" | +17.698" |
| Distance between Supply and Return | 30" | 19.062" | -10.938" |
| Distance from Return to bottom | 28.75" | 1.25" | -27.5" |