Bard W72AY
Bard 48WA3
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air29.88"9.88"29.88"15.88"30"10"30"16"42"38.25"93"84"25.52"18"2.18"1.375"30"30"35.06"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 W72AY Bard 48WA3 Difference
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 W72AY Bard 48WA3 Difference
Unit width42"38.25"-3.75"
Unit height93"84"-9"
Unit depth25.52"18"-7.52"
Unit weight568 lbs496 lbs-72 lbs
Distance from the top to Supply2.18"1.375"-0.805"
Distance from Return to bottom35.06"26.625"-8.435"