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 | Bard WA181 | Marvair AVP36 | Difference |
|---|---|---|---|
| Unit height | 70.5" | 70.44" | -0.06" |
| Supply Air | 19.875" x 7.875" | 28" x 8" | +8.125" x +0.125" |
| Distance from the top to Supply | 2" | 2.003" | +0.003" |
| Mismatch | Bard WA181 | Marvair AVP36 | Difference |
|---|---|---|---|
| Unit width | 32.875" | 41.69" | +8.815" |
| Unit depth | 16.875" | 17.25" | +0.375" |
| Unit weight | 300 lbs | 355 lbs | +55 lbs |
| Return Air | 19.875" x 11.875" | 28" x 14" | +8.125" x +2.125" |
| Distance between Supply and Return | 20.75" | 18" | -2.75" |
| Distance from Return to bottom | 28" | 28.437" | +0.437" |