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 18WH4 | Marvair HVPA24HP | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Bard 18WH4 | Marvair HVPA24HP | Difference |
|---|---|---|---|
| Unit width | 32.25" | 47.875" | +15.625" |
| Unit height | 69.375" | 70.625" | +1.25" |
| Unit depth | 13.5" | 17.125" | +3.625" |
| Unit weight | 315 lbs | 420 lbs | +105 lbs |
| Supply Air | 20" x 8" | 28" x 8" | +8" x 0" |
| Return Air | 20" x 12" | 28" x 14" | +8" x +2" |
| Distance from the top to Supply | 1.375" | 2" | +0.625" |
| Distance between Supply and Return | 20.5" | 17.875" | -2.625" |
| Distance from Return to bottom | 27.5" | 28.75" | +1.25" |