Bard 20WA
Bard 36WA6
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air20"8"20"12"27.875"7.875"27.875"13.875"32.25"38"67.5"74"13.5"16.5"1.375"1.375"20.5"18"25.625"32.875"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 Bard 36WA6 Difference
Supply Air20" x 8"27.875" x 7.875"+7.875" x -0.125"
Distance from the top to Supply1.375"1.375"0"
Mismatch Bard 20WA Bard 36WA6 Difference
Unit width32.25"38"+5.75"
Unit height67.5"74"+6.5"
Unit depth13.5"16.5"+3"
Unit weight315 lbs380 lbs+65 lbs
Return Air20" x 12"27.875" x 13.875"+7.875" x +1.875"
Distance between Supply and Return20.5"18"-2.5"
Distance from Return to bottom25.625"32.875"+7.25"