Bard WL5S2
Bard 18WH6
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air29.88"9.88"29.88"15.88"19.875"7.875"19.875"11.875"42.075"32.375"94.875"69.375"22.432"14.625"2.175"1.625"30"20.5"36.94"27.5"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 WL5S2 Bard 18WH6 Difference
No matches in measurement - - -
Mismatch Bard WL5S2 Bard 18WH6 Difference
Unit width42.075"32.375"-9.7"
Unit height94.875"69.375"-25.5"
Unit depth22.432"14.625"-7.807"
Unit weight582 lbs305 lbs-277 lbs
Supply Air29.88" x 9.88"19.875" x 7.875"-10.005" x -2.005"
Return Air29.88" x 15.88"19.875" x 11.875"-10.005" x -4.005"
Distance from the top to Supply2.175"1.625"-0.55"
Distance between Supply and Return30"20.5"-9.5"
Distance from Return to bottom36.94"27.5"-9.44"