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 18WH4 | Bard WA4842 | Difference |
|---|---|---|---|
| Supply Air | 20" x 8" | 19.88" x 7.88" | -0.12" x -0.12" |
| Return Air | 20" x 12" | 19.88" x 11.88" | -0.12" x -0.12" |
| Distance between Supply and Return | 20.5" | 20.5" | 0" |
| Mismatch | Bard 18WH4 | Bard WA4842 | Difference |
|---|---|---|---|
| Unit width | 32.25" | 42" | +9.75" |
| Unit height | 69.375" | 84.875" | +15.5" |
| Unit depth | 13.5" | 22.25" | +8.75" |
| Unit weight | 315 lbs | 500 lbs | +185 lbs |
| Distance from the top to Supply | 1.375" | 2.365" | +0.99" |
| Distance from Return to bottom | 27.5" | 42.25" | +14.75" |