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 W18LF | Difference |
|---|---|---|---|
| Supply Air | 19.25" x 7.75" | 19.88" x 7.88" | +0.63" x +0.13" |
| Mismatch | Westinghouse UB022K | Bard W18LF | Difference |
|---|---|---|---|
| Unit width | 31.125" | 33.3" | +2.175" |
| Unit height | 72" | 74.56" | +2.56" |
| Unit depth | 13.25" | 17.13" | +3.88" |
| Unit weight | 350 lbs | 329 lbs | -21 lbs |
| Return Air | 19.25" x 12.75" | 19.88" x 11.88" | +0.63" x -0.87" |
| Distance from the top to Supply | 1.25" | 2.18" | +0.93" |
| Distance between Supply and Return | 19.75" | 20.56" | +0.81" |
| Distance from Return to bottom | 30.5" | 32.06" | +1.56" |