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 30WH1 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Marvair ECUA18 | Bard 30WH1 | Difference |
|---|---|---|---|
| Unit width | 18" | 38.25" | +20.25" |
| Unit height | 58.125" | 74" | +15.875" |
| Unit depth | 18.063" | 15.25" | -2.813" |
| Unit weight | 247 lbs | 395 lbs | +148 lbs |
| Supply Air | 14.688" x 12.125" | 28" x 8" | +13.312" x -4.125" |
| Return Air | 13.25" x 5" | 28" x 14" | +14.75" x +9" |
| Distance from the top to Supply | 20.688" | 1.375" | -19.313" |
| Distance between Supply and Return | 19.062" | 18" | -1.062" |
| Distance from Return to bottom | 1.25" | 32.625" | +31.375" |