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 WA4842 | Bard WH604 | Difference |
|---|---|---|---|
| Unit width | 42" | 42" | 0" |
| Unit height | 84.875" | 84.87" | -0.005" |
| Unit depth | 22.25" | 22.25" | 0" |
| Mismatch | Bard WA4842 | Bard WH604 | Difference |
|---|---|---|---|
| Unit weight | 500 lbs | 510 lbs | +10 lbs |
| Supply Air | 19.88" x 7.88" | 29.88" x 9.88" | +10" x +2" |
| Return Air | 19.88" x 11.88" | 29.88" x 15.88" | +10" x +4" |
| Distance from the top to Supply | 2.365" | 2.11" | -0.255" |
| Distance between Supply and Return | 20.5" | 30" | +9.5" |
| Distance from Return to bottom | 42.25" | 27" | -15.25" |