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 | Bard W18AY | nVent Hoffman T4308 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Bard W18AY | nVent Hoffman T4308 | Difference |
|---|---|---|---|
| Unit width | 33.3" | 15.75" | -17.55" |
| Unit height | 74.563" | 43" | -31.563" |
| Unit depth | 17.125" | 10.9" | -6.225" |
| Unit weight | 329 lbs | 125 lbs | -204 lbs |
| Supply Air | 19.88" x 7.88" | 13.94" x 15.51" | -5.94" x +7.63" |
| Return Air | 19.88" x 11.88" | 13.94" x 10.23" | -5.94" x -1.65" |
| Distance from the top to Supply | 2.183" | 0.56" | -1.623" |
| Distance between Supply and Return | 20.56" | 16.07" | -4.49" |
| Distance from Return to bottom | 32.06" | 0.63" | -31.43" |