Bard W61A1
Bard W42L1
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"94.875"84.875"22.432"22.432"2.175"2.175"30"30"36.94"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 W61A1 Bard W42L1 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"2.175"0"
Distance between Supply and Return30"30"0"
Mismatch Bard W61A1 Bard W42L1 Difference
Unit height94.875"84.875"-10"
Unit weight575 lbs525 lbs-50 lbs
Distance from Return to bottom36.94"26.94"-10"