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 | nVent Hoffman T4308 | nVent Hoffman T2904 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | nVent Hoffman T4308 | nVent Hoffman T2904 | Difference |
|---|---|---|---|
| Unit width | 15.75" | 17" | +1.25" |
| Unit height | 43" | 29" | -14" |
| Unit depth | 10.9" | 11.3" | +0.4" |
| Unit weight | 125 lbs | 107 lbs | -18 lbs |
| Supply Air | 13.94" x 15.51" | 15.75" x 11.35" | +1.81" x -4.16" |
| Return Air | 13.94" x 10.23" | 14.38" x 5.5" | +0.44" x -4.73" |
| Distance from the top to Supply | 0.56" | 1.26" | +0.7" |
| Distance between Supply and Return | 16.07" | 9.5" | -6.57" |
| Distance from Return to bottom | 0.63" | 1.39" | +0.76" |