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 | Marvair AVPA42AC | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Marvair ECUA12 | Marvair AVPA42AC | Difference |
|---|---|---|---|
| Unit width | 18.25" | 42" | +23.75" |
| Unit height | 58" | 84.5" | +26.5" |
| Unit depth | 12" | 22.688" | +10.688" |
| Unit weight | 160 lbs | 565 lbs | +405 lbs |
| Supply Air | 14.375" x 11.75" | 30" x 10" | +15.625" x -1.75" |
| Return Air | 13.25" x 5" | 30" x 16" | +16.75" x +11" |
| Distance from the top to Supply | 20.875" | 1.813" | -19.062" |
| Distance between Supply and Return | 19.25" | 30" | +10.75" |
| Distance from Return to bottom | 1.125" | 26.687" | +25.562" |