Bard WL301
Bard W42AC
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"70.563"84.88"17.125"25.52"2.123"2.18"17.93"30"28.75"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 WL301 Bard W42AC Difference
Distance from the top to Supply2.123"2.18"+0.057"
Mismatch Bard WL301 Bard W42AC Difference
Unit width38.2"42"+3.8"
Unit height70.563"84.88"+14.317"
Unit depth17.125"25.52"+8.395"
Unit weight355 lbs490 lbs+135 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 bottom28.75"26.94"-1.81"