Installation Instruction Manual

8
Installation SeaLand 9300-9400 Series RushFlush Toilets
Discharge Plumbing
1. 1/8 in. per foot minimum downhill slope in discharge line is required, keeping all lines as short
and straight as possible.
2. 1-1/2 in. ID pipe or 1-7/8 in. ID hose may be used
• If using 1-1/2 in. pipe:
- Use DWV (drain, waste & vent) pipe ttings that incorporate sweeping changes of direction.
- Do not use schedule 40 or 80 ttings that have tight turns. They will hinder ow of
wastewater to holding tank.
- Install unions as deemed necessary for service.
• If using 1-7/8 in. hose:
- Eliminate hose sags and low spots that may hinder ow of wastewater to holding tank.
3. Check valve (apper style) supplied with every toilet:
• Install this valve as close to toilet as possible, on the discharge
side of the toilet plumbing before the waste line joins with any
common discharge line.
• The valve must be installed with the apper oriented correctly.
- When open, the apper “hinge” must be at the highest pos-
sible location.
- Flapper must open in line with the direction of ow.
- Use caution when gluing valve into place. Make sure excess glue does not contact apper.
4. For ushing overboard through seacock:
• Loop inside toilet must be above waterline.
• Seacock must be 1-1/2 in. full-ow, located no lower than 12 in. below water line.
5.2 Toilet with through-the-floor connections
Note
If replacing an existing center-discharge toilet, make sure the center of the existing
discharge ange is at least 10-1/2 in. (267 mm) from the back wall, then proceed to
Step 5 for proper positioning of water line and electrical wiring access holes.
1. Carefully unpack toilet bowl and oor ange adapter.
2. Position ceramic bowl in the space intended. Conrm that adequate clearance is available for
opening the seat and lid, and, for model 9310, using the ush handle on the left side of toilet.
3. Mark the oor at the rear corners of the toilet bowl. Measure the distance between the two
marks and divide in half to nd the toilet centerline. Mark the oor at the rear wall for the primary
centerline (
5
).
4. Draw a primary centerline on the oor at least 14 in. (356 mm)
long. Mark the center of the oor ange access hole at
10-1/2 in. (267 mm) from the wall (
6
).
5. For the upper rim water supply line and electrical wires access
hole, mark another center spot 6 in. (152 mm) from the back
wall (
7
).
6. At the wall, mark a secondary centerline 3.25 in. (83 mm) to
the left of the primary centerline, and draw the secondary line
about 4 in. (102 mm) long from the wall. Mark the center for
the lower bowl water supply line access hole 2 in. (51 mm)
from the wall (
8
).
5
6
7
8
2 in.
6 in.
3.25 in.
Check valve
Actual model may vary from image being shown.