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 WAG30D | Bard W18LA | Difference |
|---|---|---|---|
| Supply Air | 28" x 7.875" | 19.88" x 7.88" | -8.12" x +0.005" |
| Mismatch | Bard WAG30D | Bard W18LA | Difference |
|---|---|---|---|
| Unit width | 38.25" | 33.3" | -4.95" |
| Unit height | 84" | 74.563" | -9.437" |
| Unit depth | 18.75" | 17.125" | -1.625" |
| Unit weight | 525 lbs | 325 lbs | -200 lbs |
| Return Air | 28" x 13.875" | 19.88" x 11.88" | -8.12" x -1.995" |
| Distance from the top to Supply | 1.375" | 2.183" | +0.808" |
| Distance between Supply and Return | 18" | 20.56" | +2.56" |
| Distance from Return to bottom | 42.875" | 32.06" | -10.815" |