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 W12A2 | Bard WA421 | Difference |
|---|---|---|---|
| Distance from the top to Supply | 2.18" | 2.125" | -0.055" |
| Mismatch | Bard W12A2 | Bard WA421 | Difference |
|---|---|---|---|
| Unit width | 30.29" | 42" | +11.71" |
| Unit height | 45.8" | 84.875" | +39.075" |
| Unit depth | 14.67" | 22.5" | +7.83" |
| Unit weight | 160 lbs | 500 lbs | +340 lbs |
| Supply Air | 17" x 5" | 29.875" x 9.875" | +12.875" x +4.875" |
| Return Air | 17" x 10.05" | 29.875" x 15.875" | +12.875" x +5.825" |
| Distance between Supply and Return | 5.03" | 30" | +24.97" |
| Distance from Return to bottom | 23.54" | 27" | +3.46" |