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 W18AA | Bard 42WH | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Bard W18AA | Bard 42WH | Difference |
|---|---|---|---|
| Unit width | 33.3" | 42" | +8.7" |
| Unit height | 74.563" | 84" | +9.437" |
| Unit depth | 17.125" | 22" | +4.875" |
| Unit weight | 325 lbs | 525 lbs | +200 lbs |
| Supply Air | 19.88" x 7.88" | 30" x 10" | +10.12" x +2.12" |
| Return Air | 19.88" x 11.88" | 30" x 16" | +10.12" x +4.12" |
| Distance from the top to Supply | 2.183" | 1.375" | -0.808" |
| Distance between Supply and Return | 20.56" | 30" | +9.44" |
| Distance from Return to bottom | 32.06" | 26.625" | -5.435" |