Bard WL5S2
Bard WA4S3
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air29.88"9.88"29.88"15.88"29.88"9.88"29.88"15.88"42.075"42.075"94.875"94.875"22.432"22.432"2.175"2.175"30"30"36.94"36.94"Supply AirReturn AirSupply AirReturn Air
DIRECT REPLACEMENT

These units dimensions are physically identical. Replacing one for the other shouldn’t be any problem just make sure to double check your capacity and voltages.

Match Bard WL5S2 Bard WA4S3 Difference
Unit width42.075"42.075"0"
Unit height94.875"94.875"0"
Unit depth22.432"22.432"0"
Supply Air29.88" x 9.88"29.88" x 9.88"0"
Return Air29.88" x 15.88"29.88" x 15.88"0"
Distance from the top to Supply2.175"2.175"0"
Distance between Supply and Return30"30"0"
Distance from Return to bottom36.94"36.94"0"
Mismatch Bard WL5S2 Bard WA4S3 Difference
Unit weight582 lbs562 lbs-20 lbs