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 W18L1 | Marvair HVPA24HP | Difference |
|---|---|---|---|
| Unit height | 70.563" | 70.625" | +0.062" |
| Unit depth | 17.125" | 17.125" | 0" |
| Supply Air | 19.88" x 7.88" | 28" x 8" | +8.12" x +0.12" |
| Distance from the top to Supply | 2.183" | 2" | -0.183" |
| Mismatch | Bard W18L1 | Marvair HVPA24HP | Difference |
|---|---|---|---|
| Unit width | 33.3" | 47.875" | +14.575" |
| Unit weight | 335 lbs | 420 lbs | +85 lbs |
| Return Air | 19.88" x 11.88" | 28" x 14" | +8.12" x +2.12" |
| Distance between Supply and Return | 20.56" | 17.875" | -2.685" |
| Distance from Return to bottom | 28.06" | 28.75" | +0.69" |