Bard MHP30A
Bard WA371
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air28"8"28"14"27.88"7.88"27.88"13.88"32.375"38.2"74"70.563"13.625"17.125"1.375"2.123"18"17.93"32.625"28.75"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 MHP30A Bard WA371 Difference
Supply Air28" x 8"27.88" x 7.88"-0.12" x -0.12"
Return Air28" x 14"27.88" x 13.88"-0.12" x -0.12"
Distance between Supply and Return18"17.93"-0.07"
Mismatch Bard MHP30A Bard WA371 Difference
Unit width32.375"38.2"+5.825"
Unit height74"70.563"-3.437"
Unit depth13.625"17.125"+3.5"
Unit weight330 lbs355 lbs+25 lbs
Distance from the top to Supply1.375"2.123"+0.748"
Distance from Return to bottom32.625"28.75"-3.875"