Bard WA301
Bard 30WA2
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air27.875"7.875"27.875"13.875"28"8"28"14"37.875"38.25"70.5"74"16.875"15.25"2"1.375"18"18"28.75"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 WA301 Bard 30WA2 Difference
Supply Air27.875" x 7.875"28" x 8"+0.125" x +0.125"
Return Air27.875" x 13.875"28" x 14"+0.125" x +0.125"
Distance between Supply and Return18"18"0"
Mismatch Bard WA301 Bard 30WA2 Difference
Unit width37.875"38.25"+0.375"
Unit height70.5"74"+3.5"
Unit depth16.875"15.25"-1.625"
Unit weight355 lbs380 lbs+25 lbs
Distance from the top to Supply2"1.375"-0.625"
Distance from Return to bottom28.75"32.625"+3.875"