Bard WA251
Bard WL602N
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air19.875"7.875"19.875"11.875"27.88"7.88"27.88"13.88"32.875"42"70.5"84.875"16.875"22.25"2"2.115"20.75"18"28"43"Supply AirReturn AirSupply AirReturn Air
MISMATCH

These units don’t appear to have much in common. If you’re replacing one with the other, you’ll need to make some modifications to wall, unit or something in between with a plate or adapter curb.

Match Bard WA251 Bard WL602N Difference
Supply Air19.875" x 7.875"27.88" x 7.88"+8.005" x +0.005"
Distance from the top to Supply2"2.115"+0.115"
Mismatch Bard WA251 Bard WL602N Difference
Unit width32.875"42"+9.125"
Unit height70.5"84.875"+14.375"
Unit depth16.875"22.25"+5.375"
Unit weight300 lbs500 lbs+200 lbs
Return Air19.875" x 11.875"27.88" x 13.88"+8.005" x +2.005"
Distance between Supply and Return20.75"18"-2.75"
Distance from Return to bottom28"43"+15"