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 WA4843 | Bard W18AF | Difference |
|---|---|---|---|
| Distance from the top to Supply | 2.115" | 2.18" | +0.065" |
| Mismatch | Bard WA4843 | Bard W18AF | Difference |
|---|---|---|---|
| Unit width | 42" | 33.3" | -8.7" |
| Unit height | 84.875" | 74.56" | -10.315" |
| Unit depth | 22.25" | 17.13" | -5.12" |
| Unit weight | 500 lbs | 329 lbs | -171 lbs |
| Supply Air | 27.88" x 7.88" | 19.88" x 7.88" | -8" x 0" |
| Return Air | 27.88" x 13.88" | 19.88" x 11.88" | -8" x -2" |
| Distance between Supply and Return | 18" | 20.56" | +2.56" |
| Distance from Return to bottom | 43" | 32.06" | -10.94" |