Marvair AVPA24AC
Bard W30G3
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air20"8"20"12"27.88"7.88"27.88"13.88"37.75"38"69.938"81.63"16.813"24.25"1.813"2.37"20.5"30"27.625"27.5"Supply AirReturn AirSupply AirReturn Air
MISMATCH

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 Marvair AVPA24AC Bard W30G3 Difference
Unit width37.75"38"+0.25"
Supply Air20" x 8"27.88" x 7.88"+7.88" x -0.12"
Distance from Return to bottom27.625"27.5"-0.125"
Mismatch Marvair AVPA24AC Bard W30G3 Difference
Unit height69.938"81.63"+11.692"
Unit depth16.813"24.25"+7.437"
Unit weight350 lbs530 lbs+180 lbs
Return Air20" x 12"27.88" x 13.88"+7.88" x +1.88"
Distance from the top to Supply1.813"2.37"+0.557"
Distance between Supply and Return20.5"30"+9.5"