Bard W24AA
Bard W48L23A
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air19.88"7.88"19.88"11.88"27.88"7.88"27.88"13.88"33.3"42"74.563"84.88"17.125"22.25"2.183"2.12"20.56"18"32.06"43"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 W24AA Bard W48L23A Difference
Distance from the top to Supply2.183"2.12"-0.063"
Mismatch Bard W24AA Bard W48L23A Difference
Unit width33.3"42"+8.7"
Unit height74.563"84.88"+10.317"
Unit depth17.125"22.25"+5.125"
Unit weight335 lbs525 lbs+190 lbs
Supply Air19.88" x 7.88"27.88" x 7.88"+8" x 0"
Return Air19.88" x 11.88"27.88" x 13.88"+8" x +2"
Distance between Supply and Return20.56"18"-2.56"
Distance from Return to bottom32.06"43"+10.94"