
Installation Instructions
151174 3-5
3.3 Flush Mount
Note: In order to flush mount the unit, the wall must be at least 3-1/2 inches thick.
1. Make a hole in the wall near a stud at the desired location. This hole should be 11-1/4
inches wide and 11 inches high.
2. If the studs are farther apart than the width required, attach some shims to the stud inside
the wall so that the shims and the first stud are the right width.
3. Screw the back box to the stud on one side and the shims on the other. Three holes are pro-
vided in each side flange of the back box (see Figure 3-3).
Figure 3-3 Flush Mounting
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