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 MAC30 | Bard 42WA | Difference |
|---|---|---|---|
| Distance from the top to Supply | 1.615" | 1.375" | -0.24" |
| Mismatch | Bard MAC30 | Bard 42WA | Difference |
|---|---|---|---|
| Unit width | 32.375" | 42" | +9.625" |
| Unit height | 74" | 84" | +10" |
| Unit depth | 13.625" | 23" | +9.375" |
| Unit weight | 310 lbs | 500 lbs | +190 lbs |
| Supply Air | 27.88" x 7.88" | 29.875" x 9.875" | +1.995" x +1.995" |
| Return Air | 27.88" x 13.88" | 29.875" x 15.875" | +1.995" x +1.995" |
| Distance between Supply and Return | 18" | 30" | +12" |
| Distance from Return to bottom | 32.625" | 26.875" | -5.75" |