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 ECUA12 | Bard WAG40 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Marvair ECUA12 | Bard WAG40 | Difference |
|---|---|---|---|
| Unit width | 18.25" | 38.25" | +20" |
| Unit height | 58" | 84" | +26" |
| Unit depth | 12" | 18.75" | +6.75" |
| Unit weight | 160 lbs | 525 lbs | +365 lbs |
| Supply Air | 14.375" x 11.75" | 28" x 7.875" | +13.625" x -3.875" |
| Return Air | 13.25" x 5" | 28" x 13.875" | +14.75" x +8.875" |
| Distance from the top to Supply | 20.875" | 5.5" | -15.375" |
| Distance between Supply and Return | 19.25" | 13.875" | -5.375" |
| Distance from Return to bottom | 1.125" | 42.875" | +41.75" |