Bard W72AA
Bard WG4S2
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"93"97.5"22.432"27.25"2.18"2.99"30"30"35.06"38.75"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 W72AA Bard WG4S2 Difference
Unit width42.075"42"-0.075"
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 between Supply and Return30"30"0"
Mismatch Bard W72AA Bard WG4S2 Difference
Unit height93"97.5"+4.5"
Unit depth22.432"27.25"+4.818"
Unit weight545 lbs685 lbs+140 lbs
Distance from the top to Supply2.18"2.99"+0.81"
Distance from Return to bottom35.06"38.75"+3.69"