Bard W48L23A
Bard 30WA4
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air27.88"7.88"27.88"13.88"28"8"28"14"42"38.25"84.88"74"22.25"15.25"2.12"1.375"18"18"43"32.625"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 W48L23A Bard 30WA4 Difference
Supply Air27.88" x 7.88"28" x 8"+0.12" x +0.12"
Return Air27.88" x 13.88"28" x 14"+0.12" x +0.12"
Distance between Supply and Return18"18"0"
Mismatch Bard W48L23A Bard 30WA4 Difference
Unit width42"38.25"-3.75"
Unit height84.88"74"-10.88"
Unit depth22.25"15.25"-7"
Unit weight525 lbs380 lbs-145 lbs
Distance from the top to Supply2.12"1.375"-0.745"
Distance from Return to bottom43"32.625"-10.375"