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 WH361 | Bard WH604 | Difference |
|---|---|---|---|
| Distance from the top to Supply | 2" | 2.11" | +0.11" |
| Mismatch | Bard WH361 | Bard WH604 | Difference |
|---|---|---|---|
| Unit width | 37.875" | 42" | +4.125" |
| Unit height | 70.5" | 84.87" | +14.37" |
| Unit depth | 16.875" | 22.25" | +5.375" |
| Unit weight | 380 lbs | 510 lbs | +130 lbs |
| Supply Air | 27.875" x 7.875" | 29.88" x 9.88" | +2.005" x +2.005" |
| Return Air | 27.875" x 13.875" | 29.88" x 15.88" | +2.005" x +2.005" |
| Distance between Supply and Return | 18" | 30" | +12" |
| Distance from Return to bottom | 28.75" | 27" | -1.75" |