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 WH604 | Bard WG3SF | Difference |
|---|---|---|---|
| Distance between Supply and Return | 30" | 30" | 0" |
| Mismatch | Bard WH604 | Bard WG3SF | Difference |
|---|---|---|---|
| Unit width | 42" | 38" | -4" |
| Unit height | 84.87" | 81.63" | -3.24" |
| Unit depth | 22.25" | 24.25" | +2" |
| Unit weight | 510 lbs | 500 lbs | -10 lbs |
| Supply Air | 29.88" x 9.88" | 27.88" x 7.88" | -2" x -2" |
| Return Air | 29.88" x 15.88" | 27.88" x 13.88" | -2" x -2" |
| Distance from the top to Supply | 2.11" | 2.37" | +0.26" |
| Distance from Return to bottom | 27" | 27.5" | +0.5" |