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 | Westinghouse UB022K | Bard WL602N | Difference |
|---|---|---|---|
| Supply Air | 19.25" x 7.75" | 27.88" x 7.88" | +8.63" x +0.13" |
| Mismatch | Westinghouse UB022K | Bard WL602N | Difference |
|---|---|---|---|
| Unit width | 31.125" | 42" | +10.875" |
| Unit height | 72" | 84.875" | +12.875" |
| Unit depth | 13.25" | 22.25" | +9" |
| Unit weight | 350 lbs | 500 lbs | +150 lbs |
| Return Air | 19.25" x 12.75" | 27.88" x 13.88" | +8.63" x +1.13" |
| Distance from the top to Supply | 1.25" | 2.115" | +0.865" |
| Distance between Supply and Return | 19.75" | 18" | -1.75" |
| Distance from Return to bottom | 30.5" | 43" | +12.5" |