Bard 20WA
Marvair AVHA12 (Cabinet C)
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air20"8"20"12"17"5"17"10"32.25"30.125"67.5"48"13.5"14.75"1.375"2.25"20.5"5"25.625"25.75"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 Bard 20WA Marvair AVHA12 (Cabinet C) Difference
Distance from Return to bottom25.625"25.75"+0.125"
Mismatch Bard 20WA Marvair AVHA12 (Cabinet C) Difference
Unit width32.25"30.125"-2.125"
Unit height67.5"48"-19.5"
Unit depth13.5"14.75"+1.25"
Unit weight315 lbs185 lbs-130 lbs
Supply Air20" x 8"17" x 5"-3" x -3"
Return Air20" x 12"17" x 10"-3" x -2"
Distance from the top to Supply1.375"2.25"+0.875"
Distance between Supply and Return20.5"5"-15.5"