Bard WH602
Bard W72AA
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"84.875"93"22.432"22.432"2.175"2.18"30"30"26.94"35.06"Supply AirReturn AirSupply AirReturn Air
OPENING MATCH

Your openings match up but double check the cabinet surroundings. Over time equipment coils have gotten larger for better efficiency and cabinet dimensions have changed.

Match Bard WH602 Bard W72AA Difference
Unit width42.075"42.075"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"2.18"+0.005"
Distance between Supply and Return30"30"0"
Mismatch Bard WH602 Bard W72AA Difference
Unit height84.875"93"+8.125"
Unit weight510 lbs545 lbs+35 lbs
Distance from Return to bottom26.94"35.06"+8.12"