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 W18AY | Marvair AVP36 | Difference |
|---|---|---|---|
| Unit depth | 17.125" | 17.25" | +0.125" |
| Supply Air | 19.88" x 7.88" | 28" x 8" | +8.12" x +0.12" |
| Distance from the top to Supply | 2.183" | 2.003" | -0.18" |
| Mismatch | Bard W18AY | Marvair AVP36 | Difference |
|---|---|---|---|
| Unit width | 33.3" | 41.69" | +8.39" |
| Unit height | 74.563" | 70.44" | -4.123" |
| Unit weight | 329 lbs | 355 lbs | +26 lbs |
| Return Air | 19.88" x 11.88" | 28" x 14" | +8.12" x +2.12" |
| Distance between Supply and Return | 20.56" | 18" | -2.56" |
| Distance from Return to bottom | 32.06" | 28.437" | -3.623" |