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 WG4S1 | Marvair ECUA12 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Bard WG4S1 | Marvair ECUA12 | Difference |
|---|---|---|---|
| Unit width | 42" | 18.25" | -23.75" |
| Unit height | 97.5" | 58" | -39.5" |
| Unit depth | 27.25" | 12" | -15.25" |
| Unit weight | 685 lbs | 160 lbs | -525 lbs |
| Supply Air | 29.88" x 9.88" | 14.375" x 11.75" | -15.505" x +1.87" |
| Return Air | 29.88" x 15.88" | 13.25" x 5" | -16.63" x -10.88" |
| Distance from the top to Supply | 2.99" | 20.875" | +17.885" |
| Distance between Supply and Return | 30" | 19.25" | -10.75" |
| Distance from Return to bottom | 38.75" | 1.125" | -37.625" |