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Lippert FLOW MAX RV TOILET Service Manual And Troubleshooting Manual

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Flow Max™ RV Toilet
TROUBLESHOOTING AND
SERVICE MANUAL

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Summary of Contents for Lippert FLOW MAX RV TOILET

  • Page 1 Flow Max™ RV Toilet TROUBLESHOOTING AND SERVICE MANUAL...

  • Page 2: Table Of Contents

    The Flow Max™ RV Toilet is designed for use in recreational vehicles (RVs). It is intended for water, bodily waste, and rapid-dissolving toilet tissue. The Flow Max RV Toilet has 400 lb (181 kg). maximum weight rating. This troubleshooting and service manual provides the instructions for the Flow Max RV Toilet Replacement Parts Kits: •...

  • Page 3: Safety

    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. The "WARNING" symbol above is a sign that a procedure has a safety risk involved and may cause death or serious personal injury if not performed safely and within the parameters set forth in this manual.

  • Page 4: Seat Assembly Kit

    Seat Assembly Kit Elongated Seat Assembly Kit (2022121972) Callout Part # Description 2020221050 Lid and Seat Assembly 2021106603 Flathead Screw, 1/4-20 X 1.75 2021106621 Adjustable Seat Block 2020221051 Toilet Seat Base 2021106608 Expanding Seat Nut, 0.72 X 1.50 Resources Required •...
  • Page 5 At the back of bowl, locate lever (Fig. 1A) on the back of the seat assembly. Fig. 1 NOTE: Figure 1 shows the back of the FlowMax Toilet. On the left, the back of the toilet and water inlet is shown.

  • Page 6: Installation

    Installation Remove new seat from packaging. Install the seat assembly pieces as follows: Fig. 4 Expanding Seat Nuts (Fig. 4A) Toilet Seat Base (Fig. 4B) Adjustable Seat Blocks (Fig. 4C) D. Flathead Screws (Fig. 4D) Tighten flathead screws with a screw driver to secure toilet seat base to FlowMax bowl (Fig. 4E). Apply the lid and seat assembly (Fig.

  • Page 7: Valve Assembly Kit

    Valve Assembly Kit Valve Assembly Kit (2022121976) Callout Part # Description 2021106629 Valve Assembly 2021106602 Hex Washer, Slotted Screw 8-32 X 1/2 2020221062 Water Valve Inlet Resources Required • Power Drill with Hex Bit • Hose clamp (if necessary) • Flat blade screwdriver •...

  • Page 8: Procedure

    Procedure Use an adjustable wrench to remove water inlet hose (Fig. 5A) from water valve inlet (Fig. 5B). Fig. 5 Use a power drill with hex bit to remove the screws (Fig. 6A). Fig. 6 Page 8 Rev: 02.17.25 CCD-0006508...
  • Page 9 While gently pulling on inlet valve, use a flat blade screwdriver to press on tabs on top (Fig. 7A) and bottom (Fig. 7B) of inlet valve (Fig. 7C) to release the valve from the base (Fig. 7D). Fig. 7 NOTE: Figure 7 is shown WITHOUT valve assembly to better see the tabs, Figure 7A and 7B. Remove the current water valve assembly (Fig.
  • Page 10 Remove the seal (Fig. 9A) from the top of the new water valve assembly (Fig. 9B). Install the seal into the back of the FlowMax toilet bowl (Fig. 9C). Insert the valve (Fig. 9B) into the seal (Fig. 9A) to install the top of the water valve assembly into the FlowMax Toilet (Fig.
  • Page 11 Use power drill with hex bit to install screws previously-removed (Fig. 11A). Fig. 11 NOTE: Be careful not to over-tighten the screws. Set power drill setting to 3. 10. Use as adjustable wrench to reattach water inlet hose (Fig. 12A) to water valve inlet (Fig. 12B). Fig.

  • Page 12: Flush Ball Seal Assembly Kit

    Flush Ball Seal Assembly Kit Flush Ball Seal Assembly Kit (2022121984) Callout Part # Description 2020221058 Seal Flush Ball Resources Required • Silicone Spray or RV Toilet Seal Lubricant • Paper Towels • Hot Water • Seal Conditioner • Gloves What does the Flush Ball Seal do? Prevents foul smells, toxic gases from the FlowMax Toilet from entering the unit.

  • Page 13: Preparation

    Preparation Before replacing the flush ball seal, it is recommended to clean and do precautionary tests before replacing. Clean the toilet and remove any solids that may be preventing the existing seal from working and/or causing foul smells. Use RV toilet approved cleaners and a soft brush. NOTE: Always use RV toilet approved cleaners.

  • Page 14: Post-Installation Verification

    Fig. 14 Wearing gloves, reach into toilet and pull out the existing flush ball seal (Fig. 14A). Safely discard. Use a paper towel and approved cleaner and clean area. Fig. 15 Install the new flush ball seal (Fig. 15A), flat side DOWN, into the lip immediately under the bowl.

  • Page 15: Bottom Gasket With Mounting Hardware Kit

    Bottom Gasket with Mounting Hardware Kit Bottom Gasket with Mounting Hardware Kit (2022121983) Callout Part # Description 2020221067 Toilet Mounting Kit 2020221066 Gasket Bottom Resources Required • Flat blade screwdriver • Work towel, trash bag, or rinse-able, disposable • Adjustable wrench surface •...

  • Page 16: Installation

    Installation Once the FlowMax Toilet area is clean, water is off, and drained from toilet the bottom gasket can be replaced. Using best practices, safely remove mounting hardware from the bottom of the FlowMax RV Toilet. Place toilet on a work towel, trash bag, or rinse-able, disposable surface in the event bio-solids fall from FlowMax.

  • Page 17: Post-Installation Verification

    Wipe area again with a paper towel. Reapply sealant (caulk) (Fig. 18A) to the bottom of toilet. Fig. 18 Turn the water back on. Post-Installation Verification Once reinstalled and water is back on, flush toilet to see if water leaks from the bottom before use. Page 17 Rev: 02.17.25 CCD-0006508...
  • Page 18 Lippert representative has been provided.  Any unauthorized use shall void any applicable warranty.  The information contained in this manual is subject to change without notice and at the sole discretion of Lippert.  Revised editions are available for free download from lippert.com.

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