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 | Marvair ECUA18 | Bard WL482 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Marvair ECUA18 | Bard WL482 | Difference |
|---|---|---|---|
| Unit width | 18" | 42.075" | +24.075" |
| Unit height | 58.125" | 84.875" | +26.75" |
| Unit depth | 18.063" | 22.432" | +4.369" |
| Unit weight | 247 lbs | 500 lbs | +253 lbs |
| Supply Air | 14.688" x 12.125" | 29.88" x 9.88" | +15.192" x -2.245" |
| Return Air | 13.25" x 5" | 29.88" x 15.88" | +16.63" x +10.88" |
| Distance from the top to Supply | 20.688" | 2.175" | -18.513" |
| Distance between Supply and Return | 19.062" | 30" | +10.938" |
| Distance from Return to bottom | 1.25" | 26.94" | +25.69" |