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Installation Dometic 4300/4400 Series Toilets
5 Installation
5.1 Toilet installation
Note
If replacing an existing gravity-discharge toilet, make sure the center of the existing
discharge ange is at least 10 inches (254 mm) from the back wall, then proceed to
Step 5 for proper positioning of water line and electrical wiring.
1. Carefully unpack the toilet bowl and oor ange adapter.
2. Position the ceramic bowl in the space intended. Conrm that adequate clearance is available
for using the ush handle and opening the seat and lid.
3. Mark the oor at the rear corners of the toilet bowl (g.
3
). Measure the distance between
the two marks and divide by 2 to nd the toilet centerline. Mark the oor at the rear wall for the
centerline.
4. Place a carpenter’s square against the back wall, and draw a center line on the oor at least
14 inches (356 mm) long (g.
4
). Mark the centerline for the oor ange at 10 inches (254 mm)
from the wall (g.
5
). Add 0.25 in. (6 mm) to distance from wall if installing model with
hand sprayer attached to toilet.
3
4
5
5a. For through-the-oor water line and electrical wires, mark another centerline 6 inches (152 mm)
from the back wall (g.
6
).
5b. For through-the-wall water line and electrical wires, mark a centerline 8 inches (203 mm) up from
the oor centerline (g.
7
).
6. Make a 4-3/4 inch (121 mm) diameter hole (for most oor anges) or a 5-1/8 inch (130 mm)
diameter hole (for swivel joint oor ange) at the centerline mark furthest from the wall. Make a
1 inch (25 mm) hole at the mark closer to the wall for the water line and electrical wires (g.
8
).
Caution
The preferred oor ange installation method is to mount the oor ange directly on the
nished oor. However, if the bottom of oor ange and bottom of ceramic toilet must be
mounted at different heights, the oor ange must be mounted within 3/8 inch (10 mm) of
the bottom of the toilet (see illustrations on next page) or leakage may result.
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