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 W30G4 | Bard WA121 | Difference |
|---|---|---|---|
| Distance from the top to Supply | 2.37" | 2.25" | -0.12" |
| Mismatch | Bard W30G4 | Bard WA121 | Difference |
|---|---|---|---|
| Unit width | 38" | 30.125" | -7.875" |
| Unit height | 81.63" | 46" | -35.63" |
| Unit depth | 24.25" | 14.625" | -9.625" |
| Unit weight | 500 lbs | 155 lbs | -345 lbs |
| Supply Air | 27.88" x 7.88" | 17" x 5" | -10.88" x -2.88" |
| Return Air | 27.88" x 13.88" | 17" x 10" | -10.88" x -3.88" |
| Distance between Supply and Return | 30" | 5" | -25" |
| Distance from Return to bottom | 27.5" | 23.75" | -3.75" |