Bard WG4S1
Bard WG36
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air29.88"9.88"29.88"15.88"27.88"7.88"27.88"13.88"42"38"97.5"81.63"27.25"24.25"2.99"2.37"30"30"38.75"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 WG4S1 Bard WG36 Difference
Distance between Supply and Return30"30"0"
Mismatch Bard WG4S1 Bard WG36 Difference
Unit width42"38"-4"
Unit height97.5"81.63"-15.87"
Unit depth27.25"24.25"-3"
Unit weight685 lbs495 lbs-190 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 Supply2.99"2.37"-0.62"
Distance from Return to bottom38.75"27.5"-11.25"