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 | Marvair MAA1024A "B2" | Bard WG3SF | Difference |
|---|---|---|---|
| Unit width | 38.17" | 38" | -0.17" |
| Supply Air | 19.9" x 7.79" | 27.88" x 7.88" | +7.98" x +0.09" |
| Distance from the top to Supply | 2.21" | 2.37" | +0.16" |
| Mismatch | Marvair MAA1024A "B2" | Bard WG3SF | Difference |
|---|---|---|---|
| Unit height | 76.62" | 81.63" | +5.01" |
| Unit depth | 22.28" | 24.25" | +1.97" |
| Unit weight | 378 lbs | 500 lbs | +122 lbs |
| Return Air | 19.9" x 11.9" | 27.88" x 13.88" | +7.98" x +1.98" |
| Distance between Supply and Return | 20.6" | 30" | +9.4" |
| Distance from Return to bottom | 34.12" | 27.5" | -6.62" |