Bard W49A2
Bard W42G3
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"84.875"87.5"22.432"27.25"2.175"2.99"30"30"26.94"28.75"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 W49A2 Bard W42G3 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 W49A2 Bard W42G3 Difference
Unit height84.875"87.5"+2.625"
Unit depth22.432"27.25"+4.818"
Unit weight525 lbs700 lbs+175 lbs
Distance from the top to Supply2.175"2.99"+0.815"
Distance from Return to bottom26.94"28.75"+1.81"