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 W18AB | Bard WG36 | Difference |
|---|---|---|---|
| Distance from the top to Supply | 2.183" | 2.37" | +0.187" |
| Mismatch | Bard W18AB | Bard WG36 | Difference |
|---|---|---|---|
| Unit width | 33.3" | 38" | +4.7" |
| Unit height | 74.563" | 81.63" | +7.067" |
| Unit depth | 17.125" | 24.25" | +7.125" |
| Unit weight | 325 lbs | 495 lbs | +170 lbs |
| Supply Air | 19.88" x 7.88" | 27.88" x 7.88" | +8" x 0" |
| Return Air | 19.88" x 11.88" | 27.88" x 13.88" | +8" x +2" |
| Distance between Supply and Return | 20.56" | 30" | +9.44" |
| Distance from Return to bottom | 32.06" | 27.5" | -4.56" |