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 W18A1 | Bard 20WA4 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Bard W18A1 | Bard 20WA4 | Difference |
|---|---|---|---|
| No mismatches in measurement | - | - | - |