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Mechanical Installation
16
Figure 2: Mounting the FX-350 - Flush
The figure below shows a cross-section of the semi-flush mounted backbox and the trim ring. Make sure to allow a
minimum depth of 1” above the wall surface for proper door opening.
Figure 3: Flush Trim Detail
17"
22.5"
PLACE FA-300TRB TRIM RING OVER BACKBOX
14.5"
3.5"
1"
4.
5"
11"
20.0"
1.5"
4"
14.5"
3.5" is the maximum depth
for semi-flush mounting
using the flush trim ring
1" is the minimum depth
above the wall required
for semi-flush mounting
using the flush trim ring
4 Mounting
Holes for
Surface
Mounting
Adhere trim ring to
wall surface around
FX-350 backbox
Back box
Trim ring
Wall
Wood stud
Summary of Contents for FX-350 Series
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