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 18WH1 | Bard WAG30D | Difference |
|---|---|---|---|
| Supply Air | 20" x 8" | 28" x 7.875" | +8" x -0.125" |
| Distance from the top to Supply | 1.25" | 1.375" | +0.125" |
| Mismatch | Bard 18WH1 | Bard WAG30D | Difference |
|---|---|---|---|
| Unit width | 32.25" | 38.25" | +6" |
| Unit height | 67.5" | 84" | +16.5" |
| Unit depth | 13.5" | 18.75" | +5.25" |
| Unit weight | 315 lbs | 525 lbs | +210 lbs |
| Return Air | 20" x 12" | 28" x 13.875" | +8" x +1.875" |
| Distance between Supply and Return | 20.5" | 18" | -2.5" |
| Distance from Return to bottom | 25.75" | 42.875" | +17.125" |