Bard W60G1
Bard 42WH
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air29.88"9.88"29.88"15.88"30"10"30"16"42"42"87.5"84"27.25"22"2.99"1.375"30"30"28.75"26.625"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 W60G1 Bard 42WH Difference
Unit width42"42"0"
Supply Air29.88" x 9.88"30" x 10"+0.12" x +0.12"
Return Air29.88" x 15.88"30" x 16"+0.12" x +0.12"
Distance between Supply and Return30"30"0"
Mismatch Bard W60G1 Bard 42WH Difference
Unit height87.5"84"-3.5"
Unit depth27.25"22"-5.25"
Unit weight725 lbs525 lbs-200 lbs
Distance from the top to Supply2.99"1.375"-1.615"
Distance from Return to bottom28.75"26.625"-2.125"