Bard W18AB
Bard CT242
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air19.88"7.88"19.88"11.88"14"8"14"12"33.3"19"74.563"60.938"17.125"23.813"2.183"3.5"20.56"10"32.06"27.438"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 W18AB Bard CT242 Difference
Supply Air19.88" x 7.88"14" x 8"-5.88" x +0.12"
Return Air19.88" x 11.88"14" x 12"-5.88" x +0.12"
Mismatch Bard W18AB Bard CT242 Difference
Unit width33.3"19"-14.3"
Unit height74.563"60.938"-13.625"
Unit depth17.125"23.813"+6.688"
Unit weight325 lbs250 lbs-75 lbs
Distance from the top to Supply2.183"3.5"+1.317"
Distance between Supply and Return20.56"10"-10.56"
Distance from Return to bottom32.06"27.438"-4.622"