Bard WG36
Bard W42AF
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air27.88"7.88"27.88"13.88"29.88"9.88"29.88"15.88"38"42"81.63"84.88"24.25"25.52"2.37"2.18"30"30"27.5"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 WG36 Bard W42AF Difference
Distance from the top to Supply2.37"2.18"-0.19"
Distance between Supply and Return30"30"0"
Mismatch Bard WG36 Bard W42AF Difference
Unit width38"42"+4"
Unit height81.63"84.88"+3.25"
Unit depth24.25"25.52"+1.27"
Unit weight495 lbs385 lbs-110 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 from Return to bottom27.5"26.94"-0.56"