Legrand WKD Pro Series Modular Afterset - Manual (Page 4)

PRE-POUR INSTALLATION:
Step 1. For single preset: Mark a center line down the
middle of the duct and mark location for preset.
For two- or three-gang presets: Locate center of
No. 2 duct for preset using step above and
measure over 4 1/8" [105mm] and mark center for
second preset.
Center Line of
Afterset/Preset
No. 4 Duct
No. 2 Duct
Duct Support
Step 2. Drill 2 1/2" [64mm] hole(s) keeping the centers
4 1/8" [105mm] apart.
Step 3. Place the presets directly over the holes. Connect
the presets together with the alignment clips.
Secure the preset to the duct by tightening the
locking tabs.
Step 4. Attach the mudcap(s).
2 1/2"
[64mm]
4 1/8"
[105mm]