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 WA251 | Bard W30AF | Difference |
|---|---|---|---|
| Supply Air | 19.875" x 7.875" | 27.88" x 7.88" | +8.005" x +0.005" |
| Distance from the top to Supply | 2" | 2.12" | +0.12" |
| Mismatch | Bard WA251 | Bard W30AF | Difference |
|---|---|---|---|
| Unit width | 32.875" | 38.2" | +5.325" |
| Unit height | 70.5" | 74.56" | +4.06" |
| Unit depth | 16.875" | 17.13" | +0.255" |
| Unit weight | 300 lbs | 355 lbs | +55 lbs |
| Return Air | 19.875" x 11.875" | 27.88" x 13.88" | +8.005" x +2.005" |
| Distance between Supply and Return | 20.75" | 17.93" | -2.82" |
| Distance from Return to bottom | 28" | 32.75" | +4.75" |