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 | Bard 18WH6 | Marvair MAA1024A "B2" | Difference |
|---|---|---|---|
| Supply Air | 19.875" x 7.875" | 19.9" x 7.79" | +0.025" x -0.085" |
| Return Air | 19.875" x 11.875" | 19.9" x 11.9" | +0.025" x +0.025" |
| Distance between Supply and Return | 20.5" | 20.6" | +0.1" |
| Mismatch | Bard 18WH6 | Marvair MAA1024A "B2" | Difference |
|---|---|---|---|
| Unit width | 32.375" | 38.17" | +5.795" |
| Unit height | 69.375" | 76.62" | +7.245" |
| Unit depth | 14.625" | 22.28" | +7.655" |
| Unit weight | 305 lbs | 378 lbs | +73 lbs |
| Distance from the top to Supply | 1.625" | 2.21" | +0.585" |
| Distance from Return to bottom | 27.5" | 34.12" | +6.62" |