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 42WH | Bard W18AB | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Bard 42WH | Bard W18AB | Difference |
|---|---|---|---|
| Unit width | 42" | 33.3" | -8.7" |
| Unit height | 84" | 74.563" | -9.437" |
| Unit depth | 22" | 17.125" | -4.875" |
| Unit weight | 525 lbs | 325 lbs | -200 lbs |
| Supply Air | 30" x 10" | 19.88" x 7.88" | -10.12" x -2.12" |
| Return Air | 30" x 16" | 19.88" x 11.88" | -10.12" x -4.12" |
| Distance from the top to Supply | 1.375" | 2.183" | +0.808" |
| Distance between Supply and Return | 30" | 20.56" | -9.44" |
| Distance from Return to bottom | 26.625" | 32.06" | +5.435" |