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 | VoltAire AT12 | nVent Hoffman T4306 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | VoltAire AT12 | nVent Hoffman T4306 | Difference |
|---|---|---|---|
| Unit width | 16.39" | 15.75" | -0.64" |
| Unit height | 43.99" | 43" | -0.99" |
| Unit depth | 12.3" | 10.9" | -1.4" |
| Unit weight | 94.6 lbs | 125 lbs | +30.4 lbs |
| Supply Air | 13.5" x 11.75" | 13.94" x 15.51" | +0.44" x +3.76" |
| Return Air | 13.5" x 16.62" | 13.94" x 10.23" | +0.44" x -6.39" |
| Distance from the top to Supply | 2.02" | 0.56" | -1.46" |
| Distance between Supply and Return | 11.6" | 16.07" | +4.47" |
| Distance from Return to bottom | 2" | 0.63" | -1.37" |