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 | Marvair HVPA24HP | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Marvair ECUA18 | Marvair HVPA24HP | Difference |
|---|---|---|---|
| Unit width | 18" | 47.875" | +29.875" |
| Unit height | 58.125" | 70.625" | +12.5" |
| Unit depth | 18.063" | 17.125" | -0.938" |
| Unit weight | 247 lbs | 420 lbs | +173 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" | 2" | -18.688" |
| Distance between Supply and Return | 19.062" | 17.875" | -1.187" |
| Distance from Return to bottom | 1.25" | 28.75" | +27.5" |