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 WA251 | Bard 42WH1 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Bard WA251 | Bard 42WH1 | Difference |
|---|---|---|---|
| Unit width | 32.875" | 42" | +9.125" |
| Unit height | 70.5" | 84" | +13.5" |
| Unit depth | 16.875" | 22" | +5.125" |
| Unit weight | 300 lbs | 525 lbs | +225 lbs |
| Supply Air | 19.875" x 7.875" | 30" x 10" | +10.125" x +2.125" |
| Return Air | 19.875" x 11.875" | 30" x 16" | +10.125" x +4.125" |
| Distance from the top to Supply | 2" | 1.375" | -0.625" |
| Distance between Supply and Return | 20.75" | 30" | +9.25" |
| Distance from Return to bottom | 28" | 26.625" | -1.375" |