Marvair ECUA12
Bard W18HY
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 Marvair ECUA12 Bard W18HY Difference
No matches in measurement - - -
Mismatch Marvair ECUA12 Bard W18HY Difference
No mismatches in measurement - - -