Bard 42WA
Bard WA3S3
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air29.875"9.875"29.875"15.875"29.88"9.88"29.88"15.88"42"42.075"84"84.875"23"22.432"1.375"2.175"30"30"26.875"26.94"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 42WA Bard WA3S3 Difference
Unit width42"42.075"+0.075"
Supply Air29.875" x 9.875"29.88" x 9.88"+0.005" x +0.005"
Return Air29.875" x 15.875"29.88" x 15.88"+0.005" x +0.005"
Distance between Supply and Return30"30"0"
Distance from Return to bottom26.875"26.94"+0.065"
Mismatch Bard 42WA Bard WA3S3 Difference
Unit height84"84.875"+0.875"
Unit depth23"22.432"-0.568"
Unit weight500 lbs516 lbs+16 lbs
Distance from the top to Supply1.375"2.175"+0.8"