These units dimensions are physically identical. Replacing one for the other shouldn’t be any problem just make sure to double check your capacity and voltages.
| Match | Bard WA482 | Bard WA421 | Difference |
|---|---|---|---|
| Unit width | 42.075" | 42" | -0.075" |
| Unit height | 84.875" | 84.875" | 0" |
| Unit depth | 22.432" | 22.5" | +0.068" |
| Unit weight | 500 lbs | 500 lbs | 0 lbs |
| Supply Air | 29.88" x 9.88" | 29.875" x 9.875" | -0.005" x -0.005" |
| Return Air | 29.88" x 15.88" | 29.875" x 15.875" | -0.005" x -0.005" |
| Distance from the top to Supply | 2.175" | 2.125" | -0.05" |
| Distance between Supply and Return | 30" | 30" | 0" |
| Distance from Return to bottom | 26.94" | 27" | +0.06" |
| Mismatch | Bard WA482 | Bard WA421 | Difference |
|---|---|---|---|
| No mismatches in measurement | - | - | - |