Bard W36HB
Bard W48HY
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air27.88"7.88"27.88"13.88"29.88"9.88"29.88"15.88"38.2"42"74.563"84.88"17.125"25.52"2.123"2.18"17.93"30"32.75"26.94"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 W36HB Bard W48HY Difference
Distance from the top to Supply2.123"2.18"+0.057"
Mismatch Bard W36HB Bard W48HY Difference
Unit width38.2"42"+3.8"
Unit height74.563"84.88"+10.317"
Unit depth17.125"25.52"+8.395"
Unit weight380 lbs518 lbs+138 lbs
Supply Air27.88" x 7.88"29.88" x 9.88"+2" x +2"
Return Air27.88" x 13.88"29.88" x 15.88"+2" x +2"
Distance between Supply and Return17.93"30"+12.07"
Distance from Return to bottom32.75"26.94"-5.81"