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 W30LB | Bard W30G4 | Difference |
|---|---|---|---|
| Unit width | 38.2" | 38" | -0.2" |
| Supply Air | 27.88" x 7.88" | 27.88" x 7.88" | 0" |
| Return Air | 27.88" x 13.88" | 27.88" x 13.88" | 0" |
| Distance from the top to Supply | 2.123" | 2.37" | +0.247" |
| Mismatch | Bard W30LB | Bard W30G4 | Difference |
|---|---|---|---|
| Unit height | 74.563" | 81.63" | +7.067" |
| Unit depth | 17.125" | 24.25" | +7.125" |
| Unit weight | 350 lbs | 500 lbs | +150 lbs |
| Distance between Supply and Return | 17.93" | 30" | +12.07" |
| Distance from Return to bottom | 32.75" | 27.5" | -5.25" |