Bard W31H1
Bard WL423
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 W31H1 Bard WL423 Difference
No matches in measurement - - -
Mismatch Bard W31H1 Bard WL423 Difference
No mismatches in measurement - - -