Bard WG3S2
Bard 18WH1
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air29.88"9.88"29.88"15.88"20"8"20"12"42"32.25"87.5"67.5"27.25"13.5"2.99"1.25"30"20.5"28.75"25.75"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 WG3S2 Bard 18WH1 Difference
No matches in measurement - - -
Mismatch Bard WG3S2 Bard 18WH1 Difference
Unit width42"32.25"-9.75"
Unit height87.5"67.5"-20"
Unit depth27.25"13.5"-13.75"
Unit weight585 lbs315 lbs-270 lbs
Supply Air29.88" x 9.88"20" x 8"-9.88" x -1.88"
Return Air29.88" x 15.88"20" x 12"-9.88" x -3.88"
Distance from the top to Supply2.99"1.25"-1.74"
Distance between Supply and Return30"20.5"-9.5"
Distance from Return to bottom28.75"25.75"-3"