Lippert Flow Max 2022113192 Installation instructions

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lippert.com 432-LIPPERT (432-547-7378) Rev: 10.18.22
Flow Max™RV Toilet
Installation and Owner’s Manual
(For Aftermarket Applications)
CCD-0004230
Table of Contents
Introduction ............................................ 2
Safety ................................................... 2
Parts List ................................................ 3
Resources Required ................................... 4
Installation .............................................. 4
Removing an Existing Toilet ........................... 4
Installing a New Floor Flange .......................... 4
Installing the New Toilet ............................... 5
Flow Max™RV
Toilet
Installation and
Owner’s Manual
(For Aftermarket Applications)
Flow Max RV ToiletFlow Max RV Toilet
Part NumberPart Number DescriptionDescription QtyQty
2022113192 Flow Max RV Toilet 1
Operation ............................................... 7
Adding Water to the Bowl .............................. 7
Flushing the Toilet ..................................... 8
Winterization ........................................... 8
Non-toxic Antifreeze Winterization ..................... 8
Preventing a Frozen Water Valve ...................... 9
Maintenance .......................................... 10
Performing Routine Toilet Cleaning .................. 10
Cleaning the Flush Ball and Seal .................... 10
Reconditioning the Flush Ball Seal .................. 11
Draining Water from the Toilet ....................... 11
Troubleshooting ...................................... 11

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lippert.com 432-LIPPERT (432-547-7378) Rev: 10.18.22
Flow Max™RV Toilet
Installation and Owner’s Manual
(For Aftermarket Applications)
CCD-0004230
Safety
Read and fully understand all instructions before installing
or operating this product.
Adhere to all safety labels.
This manual provides general instructions. Many variables
can change the circumstances of the instructions, i.e., the
degree of difficulty, operation and ability of the individual
performing the instructions.
This manual cannot begin to plot out instructions for
every possibility, but provides the general instructions,
as necessary, for effectively interfacing with the device,
product or system. Failure to correctly follow the provided
instructions may result in death, serious personal injury,
severe product and/or property damage, including voiding
of the Lippert limited warranty.
FAILURE TO FOLLOW INSTRUCTIONS PROVIDED
IN THIS MANUAL MAY RESULT IN DEATH, SERIOUS
PERSONAL INJURY AND/OR SEVERE PRODUCT AND
PROPERTY DAMAGE, INCLUDING VOIDING OF THE
COMPONENT WARRANTY.
ALWAYS WEAR EYE PROTECTION WHEN
PERFORMING SERVICE, MAINTENANCE OR
INSTALLATION PROCEDURES. OTHER SAFETY
EQUIPMENT TO CONSIDER WOULD BE HEARING
PROTECTION, GLOVES AND POSSIBLY A FULL FACE
SHIELD, DEPENDING ON THE NATURE OF THE TASK.
Introduction
The Flow Max RV Toilet is designed for use in recreational
vehicles (RVs). These products are lightweight, residential-
size toilets for installation directly above a holding tank.
Additional information about this product can be obtained
from lci1.com/support or by downloading the free
LippertNOW app in Apple App Store®for iPhone®and
iPad®and also on Google Play™for Android™users.
App Store®and iPad®are registered trademarks of
Apple Inc.
Google Play™and Android™are trademarks of Google Inc.
For information on the assembly or individual components
of this product, please visit:
https://support.lci1.com/sanitation-toilet-kitchenandbath
NOTE: Images used in this document are for reference
only when assembling, installing and/or operating this
product. Actual appearance of provided and/or purchased
parts and assemblies may differ.

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Flow Max™RV Toilet
Installation and Owner’s Manual
(For Aftermarket Applications)
CCD-0004230
Flow Max RV ToiletFlow Max RV Toilet
CalloutCallout Part NumberPart Number DescriptionDescription QTYQTY
A2022113192 Flow Max RV Toilet 1
Replacement Parts Kits
Kit-B 2022121972 Seat Assembly Kit 1
C 2020221050 Lid and Seat Assembly 1
D 2021106603 Flathead Screw,
1/4-20 X 1.75
2
E 2021106621 Adjustable Seat Block 2
F 2020221051 Toilet Seat Base 1
G 2021106608 Expanding Seat
Nut, 0.72 X 1.50
2
Kit-H 2022121976 Valve Assembly Kit 1
I 2021106629 Valve Assembly 1
J 2021106602 Hex Washer,
Slotted Screw 8-32 X 1/2
2
K 2020221062 Water Valve Inlet 1
Kit-L 2022121984 Flush Ball Seal
Assembly Kit
1
M 2020221058 Seal Flush Ball 1
Kit-N 2022121983 Bottom Gasket with
Mounting Hardware Kit
1
O 2020221067 Toilet Mounting Kit 2
P 2020221066 Gasket Bottom 1
Parts List
A
B
C
D GE
F
NOTE: Part numbers are shown for identification purposes
only. Not all parts are available for individual sale. All parts
with a link to the Lippert Store can be purchased.
NOTE: All Replacement Part Kits can be purchased.
IJ
K
H
L
M
N
P
O

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Flow Max™RV Toilet
Installation and Owner’s Manual
(For Aftermarket Applications)
CCD-0004230
Fig.1
3. Place the new oor ange into the outlet hole and
secure it to the oor (Fig. 1).
Floor Flange
Installing a New Floor Flange
NOTE: If using the existing floor flange, skip to “Installing
the New Toilet”
NOTE: If installing a new floor flange, consider engaging a
qualified service professional.
1. Remove the existing oor ange by unfastening and
discarding the existing screws. If the oor ange is glued
down, you may need additional tools to remove it.
2. Before fastening the new oor ange, verify:
A. The toilet mounting holes are located at preferred
orientation.
B. The center of the floor flange is at least the
recommended distance from the back wall for the toilet
model.
Installation
Removing an Existing Toilet
Follow these steps when replacing an older toilet, to
prepare for the new installation:
1. Turn o󰀨 the water supply.
2. Disconnect and drain the water supply line.
3. Remove the existing oor mounting caps, oor mounting
nuts, and oor mounting washers.
4. Lift the existing toilet o󰀨 the bolts.
5. Remove and discard the existing oor mounting T-bolts.
6. Use a putty knife to remove and discard any existing
seal material from the oor and the oor ange.
7. Evaluate the oor ange. If it is damaged, remove it and
install a new one, following the steps in “Installing a New
Floor Flange” .
8. If installing a Universal Mounting Kit, follow the
instructions that came with the kit.
9. Make sure the top surface of the oor is clean and free
of any debris or sealant.
Resources Required
• Pliers, Adjustable Wrench,
or Torque Wrench
• Screwdriver
• Caulk (If installed in a
wet area)
• Elbow Adapter (depending
on water supply line)
• Floor Flange (matching
the one being replaced)
• T-Bolts
• Putty Knife (to remove
flange seal)
• Screws to mount flange

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Flow Max™RV Toilet
Installation and Owner’s Manual
(For Aftermarket Applications)
CCD-0004230
Fig.3
Flange Seal
Part number
NOTE: On some models, it is already installed.
3. Carefully position the toilet over the oor ange.
4. Align the holes in the toilet base with the oor mounting
T-bolts as you lower the toilet onto the oor ange. Be sure
the entire outlet drain of the toilet base ts inside the oor
ange outlet hole to avoid leaks.
NOTE: The toilet base might not rest evenly against
the floor yet. The floor flange seal will compress as you
complete the following steps (Fig. 3).
2. Install the new oor ange seal to the base of the toilet
with the part number facing down (Fig.3)
Installing the New Toilet
Follow these steps to install the new toilet:
1. Insert the new oor mounting T-bolts into the slots in the
oor ange (Fig. 2).
Fig.2
T-Bolts

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Flow Max™RV Toilet
Installation and Owner’s Manual
(For Aftermarket Applications)
CCD-0004230
Fig.5
Apply Caulk (If Necessary)
7. Attach the oor mounting caps onto the oor mounting
nuts. If the toilet is being installed in a shower stall (or other
wet area), apply a bead of caulk around the base of the
toilet to prevent water seepage under the base (Fig. 5).
5. Place the new oor mounting washers and then the new
oor mounting nuts onto the oor mounting T-bolts (Fig. 4).
Fig.4
Mounting Cap
Nut & Washer
T-Bolt
6. Tighten the oor mounting nuts. If a torque wrench
is available, tighten them to 30–40 in. lb. Do not over-
tighten. Alternate between sides when tightening to prevent
distortion. When the oor-mounting nuts are tight, the base
of the toilet should be securely attached and at against
the oor.

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Flow Max™RV Toilet
Installation and Owner’s Manual
(For Aftermarket Applications)
CCD-0004230
Operation
Adding water to an empty bowl helps prevent holding tank
(Fig.7A) odors from entering the living space. Adding water
is recommended prior to flushing solids and toilet paper.
Adding Water to the Bowl
Depress the flush pedal (Fig.7B) part way. Water flows into
the bowl while the flush ball (Fig.7C) remains closed.
NOTE: If the flush ball moves, let up on the flush pedal
slightly.
A
Fig.7
B
C
Fig.6
Water Supply Inlet
8. Connect the water supply line and torque the connection
to 30–40 in. lb. Do not over-tighten. If the water supply line
comes out of the oor, install a ½ in. (13 mm) elbow tting
or adapter (Fig. 6).
9. Turn on the water supply.
10. Flush the toilet several times and check for leaks. Refer
to “Flushing the Toilet”.
11. Test for leaks by lling the bowl with water and letting it
sit for an hour.

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Flow Max™RV Toilet
Installation and Owner’s Manual
(For Aftermarket Applications)
CCD-0004230
Winterization
Non-toxic Antifreeze Winterization
Recommended method:
1. Pour non-toxic antifreeze (propylene glycol) into the
potable water tank according to the instructions from the
antifreeze manufacturer. Review manufacturer’s Owner’s
Manual for any special instructions.
2. Flush the toilet several times until the antifreeze ows
completely through the toilet.
NOTE: For toilets with a hand sprayer, the hand sprayer
must be turned on for antifreeze to cycle through the
sprayer.
DO NOT USE AUTOMOTIVE-TYPE ANTIFREEZE
(ETHYLENE GLYCOL) IN FRESHWATER SYSTEMS.
FAILURE TO OBEY THIS WARNING COULD RESULT
IN DEATH OR SERIOUS INJURY.
THIS TOILET IS NOT INTENDED FOR USE
WHEN EXPOSED TO TEMPERATURES BELOW
FREEZING. FAILURE TO FOLLOW THE INTENDED
USE GUIDELINES COULD RESULT IN MINOR OR
MODERATE INJURY.
Flushing the Toilet
1. Depress the ush pedal, approximately 1–2 seconds,
until it almost contacts the oor.
2. Allow contents of the bowl to rinse from the bowl.
NOTE: Flushing longer than necessary will cause the
holding tank to fill too quickly. A small amount of water will
collect in the bowl after a flush to create an airtight seal.
3. Release the ush pedal after a complete ush.
NOTE: Due to the integrated rim of the toilet, water may
continue to trickle into the toilet bowl for up to 20 minutes
after flushing.
NOTE: To prevent tank odors from entering the living
space, make sure 1” of water remains in the toilet bowl.
Depending on the plumbing system and user operation,
adding water may be required to achieve this water depth.
NOTE: When a toilet is stored for long periods of time, or
the water becomes stagnant, flush the system.
FLUSH ONLY WATER, BODILY WASTES, AND RAPID-
DISSOLVING TOILET TISSUE. DO NOT FLUSH
FOREIGN OBJECTS. DO NOT FLUSH WET WIPES,
SANITARY NAPKINS, DIAPERS, PAPER CUPS,
COTTON SWABS, FOOD, HAIR, OR LIQUIDS SUCH AS
OILS OR SOLVENTS. FAILURE TO FOLLOW THESE
INSTRUCTIONS COULD CAUSE CLOGGING OR
DAMAGE TO THE TOILET OR THE TOILET SYSTEM.

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Flow Max™RV Toilet
Installation and Owner’s Manual
(For Aftermarket Applications)
CCD-0004230
NOTE: Use non-toxic antifreeze (propylene glycol)
designated for potable water systems.
NOTE: The toilet warranty expressly excludes coverage
for any damages to the toilet or the unit that may occur
due to improper winterization of the toilet. Freeze damage
that results in leaks to the water valve is an indicator of
improper winterization.
Preventing a Frozen Water Valve
When a toilet may be exposed to temperatures below
freezing, the toilet must be winterized. The toilet water
valves (Fig. 8) exceed the applicable standards for
maximum water pressure as defined by the North
American plumbing code agencies. Water valve damage
is due to severe exposure to below-freezing temperatures.
To avoid damage, winterize the toilet as described in this
manual.
IF TRAPPED WATER FREEZES IN THE PIPING THAT
SUPPLIES WATER TO THE TOILET, IT EXPANDS AND
CREATES HIGH PRESSURE THAT CAN DAMAGE THE
VALVE.
Fig.8
Behind Toilet
Flush Pedal
Water Valve

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Flow Max™RV Toilet
Installation and Owner’s Manual
(For Aftermarket Applications)
CCD-0004230
2. If step 1 does not fully clean the ball and seal, clean with
a soft bristle brush and non-abrasive toilet bowl cleaner.
3. Fully clean the top of the ush ball and under the
seal where it contacts the ush ball. After cleaning the
underside of the seal, apply light, downward pressure to
the top of the seal while brushing around the full perimeter
of the seal.
NOTE: If the ball pivot arm becomes dislodged while
cleaning inside the base beneath the flush ball and seal,
re-engage it into the pivot point.
Maintenance
Properly cleaning, winterizing, and maintaining your toilet
will increase its lifespan.
• Do not separate the ceramic bowl from the plastic base.
The bowl and base of the toilet should not be separated
for any reason.
• Do not remove the flush pedal from the base. This toilet
has a factory-sealed bowl-to-base assembly.
• Do not disassemble the components.
NOTE: The toilet does not need to be removed from the
vehicle (or unfastened from the floor) for basic repairs.
Performing Routine Toilet Cleaning
Use a non-abrasive bathroom and toilet bowl cleaner for
routine cleaning. Follow label instructions on cleaning
solutions.
IF THIS TOILET EVER REQUIRES SERVICE, READ
THE FOLLOWING STATEMENTS BEFORE SERVICING
THE PRODUCT. FAILURE TO FOLLOW THESE
GUIDELINES CAN CAUSE PRODUCT DAMAGE AND
CAN VOID YOUR WARRANTY COVERAGE.
Cleaning the Flush Ball and Seal
After a period of time, mineral deposits from hard water
may build up on the flush ball or seal, resulting in a slow
water leak. To prevent this, periodically clean the flush ball
and seal.
1. Remove minor debris from the ush ball and seal (Fig.9)
by slowly depressing and releasing the ush pedal several
times. This will loosen and rinse debris from the surfaces.
Repeat several times for stubborn build-up.
Fig.9
Flush Ball
Seal
Flush Pedal
Holding Tank

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Flow Max™RV Toilet
Installation and Owner’s Manual
(For Aftermarket Applications)
CCD-0004230
Troubleshooting
What is happening?What is happening? Why?Why? What should be done?What should be done?
Odor emits from the
toilet when the ush
ball is open.
The holding tank vent is plugged. Clear obstructions from the vent.
The odor is from the holding tank
contents.
Add deodorant to the holding tank.
Odor emits from the
toilet when the ush
ball is closed.
There is no water in the bowl. Add water to the bowl.
Refer to “Adding Water to the Bowl”
The ush ball seal is damaged. Replace with Flush Ball Seal Assembly Kit
(Part Number: 2022121984; Kit-L).
The ush ball will not
close completely.
There is too much friction be-
tween the ush ball and the seal.
Clean and lubricate the ush ball and ush
ball seal with silicone spray or
furniture polish.
The ush ball will not
operate properly.
The ball pivot arm may have
become dislodged when cleaning
beneath the ush ball and seal.
Re-engage the ball pivot arm back into the
pivot point.
Water is leaking from
the water valve.
The water line connection is
loose or not seated properly.
Make sure that the threads are not
cross-threaded and tighten the connection.
The water valve is damaged or
defective.
Replace with Valve Assembly Kit
(Part Number: 2022121976; Kit-H).
Water is leaking from
the toilet base.
The toilet is not secured to the
oor.
Carefully tighten the toilet mounting bolts
Reconditioning the Flush Ball Seal
If you discover a water leak into the holding tank,
recondition the flush ball seal into its original shape:
1. Depress the ush pedal to hold the ush ball open, then
lightly press down around the edge of the seal with a nger
to conform the seal to the ush ball.
2. Release the ush pedal.
3. Keeping the ush ball closed, pour 1 qt (0.9 L) of hot tap
water into the toilet bowl.
4. Let the water cool completely.
Draining Water from the Toilet
1. Turn o󰀨 the water supply to the toilet.
2. Remove the water supply line from the water valve.
3. Place a small bucket under the water valve inlet and
supply line to catch draining water.
4. Depress the ush pedal and allow water to completely
drain from the water valve and vacuum breaker.
5. Leave the water line disconnected until the threat of
freezing temperatures is past.
NOTE: Do not leave the RV unoccupied for extended
periods of time with a municipal water supply connected, or
with the on-board water pump turned on, when there is a
possibility of freezing temperatures.

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Flow Max™RV Toilet
Installation and Owner’s Manual
(For Aftermarket Applications)
CCD-0004230
Manual information may be distributed as a complete
document only, unless Lippert Components provides
explicit consent to distribute individual parts.
All manual information is subject to change without
notice. Revised editions will be available for free
download at lci1.com. Manual information is considered
factual until made obsolete by a revised version.
Please recycle all obsolete materials and contact
Lippert Components with concerns or questions.
What is happening?What is happening? Why?Why? What should be done?What should be done?
Water is leaking from
the rear of the toilet.
There is a loose vacuum breaker. Make sure the vacuum breaker stem is
pushed fully into the sealing grommet in the
back of the bowl
The vacuum breaker is damaged
or defective.
Contact Lippert Customer Care
at 432-LIPPERT (432-547-7378) or
[email protected].
The supply hose is damaged or
defective.
Tighten the supply hose clamps.
Replace the supply hose.
The toilet bowl is cracked or
defective.
Replace the toilet.
Water will not stay in
the bowl.
The ush ball seal is not properly
positioned.
Refer to “Reconditioning the Flush Ball Seal”
The ush ball seal’s shape is
temporarily distorted.
Refer to “Reconditioning the Flush Ball Seal”
The ush ball or ush ball seal is
dirty
Refer to “Cleaning the Flush Ball and Seal”
The ush ball seal is worn or
defective.
Replace with Flush Ball Seal Assembly Kit
(Part Number: 2022121984; Kit-L).
Water ow into the
toilet will not stop.
The water valve is worn or
defective.
Replace with Valve Assembly Kit
(Part Number: 2022121976; Kit-H).
There is an insu󰀩cient water ow
rate at the toilet inlet.
Make sure the ow rate at the toilet inlet is
3–5 gpm (11.4–18.9 lpm), which is the rec-
ommended rate.
Water does not enter
the toilet bowl properly.
The screen at the water valve
inlet is clogged.
Clean the screen, on the inlet side, using
a cotton swab or an old toothbrush. Do not
disassemble the valve.
The water valve is worn or
damaged.
Replace with Valve Assembly Kit
(Part Number: 2022121976; Kit-H).