Your openings match up but double check the cabinet surroundings. Over time equipment coils have gotten larger for better efficiency and cabinet dimensions have changed.
| Match | Marvair MAA1024A "B2" | Bard WH181 | Difference |
|---|---|---|---|
| Supply Air | 19.9" x 7.79" | 19.875" x 7.875" | -0.025" x +0.085" |
| Return Air | 19.9" x 11.9" | 19.875" x 11.875" | -0.025" x -0.025" |
| Distance from the top to Supply | 2.21" | 2" | -0.21" |
| Distance between Supply and Return | 20.6" | 20.75" | +0.15" |
| Mismatch | Marvair MAA1024A "B2" | Bard WH181 | Difference |
|---|---|---|---|
| Unit width | 38.17" | 32.875" | -5.295" |
| Unit height | 76.62" | 70.5" | -6.12" |
| Unit depth | 22.28" | 16.875" | -5.405" |
| Unit weight | 378 lbs | 300 lbs | -78 lbs |
| Distance from Return to bottom | 34.12" | 28" | -6.12" |