Bard WG4SF
Bard W36LY
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air29.88"9.88"29.88"15.88"27.88"7.88"27.88"13.88"42"38.2"93.25"74.563"27.25"17.125"4.74"2.123"30"17.93"32.75"32.75"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 WG4SF Bard W36LY Difference
Distance from Return to bottom32.75"32.75"0"
Mismatch Bard WG4SF Bard W36LY Difference
Unit width42"38.2"-3.8"
Unit height93.25"74.563"-18.687"
Unit depth27.25"17.125"-10.125"
Unit weight750 lbs385 lbs-365 lbs
Supply Air29.88" x 9.88"27.88" x 7.88"-2" x -2"
Return Air29.88" x 15.88"27.88" x 13.88"-2" x -2"
Distance from the top to Supply4.74"2.123"-2.617"
Distance between Supply and Return30"17.93"-12.07"