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 20WA4 | Bard W36A2 | Difference |
|---|---|---|---|
| Supply Air | 19.875" x 7.875" | 27.88" x 7.88" | +8.005" x +0.005" |
| Mismatch | Bard 20WA4 | Bard W36A2 | Difference |
|---|---|---|---|
| Unit width | 32.375" | 38.2" | +5.825" |
| Unit height | 69.375" | 70.563" | +1.188" |
| Unit depth | 14.625" | 17.125" | +2.5" |
| Unit weight | 280 lbs | 375 lbs | +95 lbs |
| Return Air | 19.875" x 11.875" | 27.88" x 13.88" | +8.005" x +2.005" |
| Distance from the top to Supply | 1.625" | 2.123" | +0.498" |
| Distance between Supply and Return | 20.5" | 17.93" | -2.57" |
| Distance from Return to bottom | 27.5" | 28.75" | +1.25" |