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 AVPA12 (CABINET B) | Marvair AVPA24AC | Difference |
|---|---|---|---|
| Supply Air | 17" x 7.813" | 20" x 8" | +3" x +0.187" |
| Mismatch | Marvair AVPA12 (CABINET B) | Marvair AVPA24AC | Difference |
|---|---|---|---|
| Unit width | 30.125" | 37.75" | +7.625" |
| Unit height | 52" | 69.938" | +17.938" |
| Unit depth | 12.625" | 16.813" | +4.188" |
| Unit weight | 194 lbs | 350 lbs | +156 lbs |
| Return Air | 17" x 8.375" | 20" x 12" | +3" x +3.625" |
| Distance from the top to Supply | 1.063" | 1.813" | +0.75" |
| Distance between Supply and Return | 0.749" | 20.5" | +19.751" |
| Distance from Return to bottom | 34" | 27.625" | -6.375" |