Bard WG48
Bard 48WA3
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air29.88"9.88"29.88"15.88"30"10"30"16"42"38.25"87.5"84"27.25"18"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 WG48 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 WG48 Bard 48WA3 Difference
Unit width42"38.25"-3.75"
Unit height87.5"84"-3.5"
Unit depth27.25"18"-9.25"
Unit weight655 lbs496 lbs-159 lbs
Distance from the top to Supply2.99"1.375"-1.615"
Distance from Return to bottom28.75"26.625"-2.125"