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 WG30 | Bard WH604 | Difference |
|---|---|---|---|
| Distance between Supply and Return | 30" | 30" | 0" |
| Mismatch | Bard WG30 | Bard WH604 | Difference |
|---|---|---|---|
| Unit width | 38" | 42" | +4" |
| Unit height | 81.63" | 84.87" | +3.24" |
| Unit depth | 24.25" | 22.25" | -2" |
| Unit weight | 495 lbs | 510 lbs | +15 lbs |
| Supply Air | 27.88" x 7.88" | 29.88" x 9.88" | +2" x +2" |
| Return Air | 27.88" x 13.88" | 29.88" x 15.88" | +2" x +2" |
| Distance from the top to Supply | 2.37" | 2.11" | -0.26" |
| Distance from Return to bottom | 27.5" | 27" | -0.5" |