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NHTSA ID Number: 11023972

Manufacturer Communication Number: TI-479

TSB/Document Date: 2025-10-07


Summary

Document is an installation guide for the Flow Max RV Toilet Valve Assembly Kit.


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TSB/Document ID: TI-479

Replacement Service Bulletin Number:

MFR Communication Date: 2025-09-04

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: UNKNOWN OR OTHER

MFR Component System:

MFR Component Subsystem:


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(NLiPPERT

Flow Max RV Toilet
Valve Assembly Kit

a
>

,

Installation Guide

REV: 09.04.25 Tl-479 CCD-0007864
ih) ee

Parts List

aCe bas

(ol a'A
A 2022121976 Toilet Valve Assembly Kit 1
B 2021106629 Toilet Valve Assembly 1
Cc 2021106602 Hex Washer, Slotted Screw 8-32 X 1/2” 2
REV: 09.04.25 Page 2 Tr479 CCD-0007864
ihe) ee

Resources Required

A Cordless or electric drill or screw gun 4 Adjustable wrench

4 Appropriate drive bits 4 Hose clamp (if necessary)
& Flat blade screwdriver 4 Side-cut pliers
Installation

1. Use adjustable wrench to remove water inlet hose (Fig. 1A) from water valve
inlet (Fig. 1B).

Fig. 1

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ih) ee

2. Remove the screws (Fig. 2A).

Fig. 2

3. While gently pulling on inlet valve, use a flat blade screwdriver to press on
tabs on top (Fig. 2B) and bottom (Fig. 2C) of inlet valve (Fig. 2D) to release the
valve from the base (Fig. 2E).

REV: 09.04.25 Page 4 Tl-479 CCD-0007864
ihe) ee

Fig. 3

4, Remove the existing toilet valve assembly (Fig. 3A) from the top (Fig. 3B) and
bottom (Fig. 3C) of the FlowMax toilet.

REV: 09.04.25 Page5 TIl-479 CCD-0007864
ih) ee

5. Remove the seal (Fig. 4A) from the top of the new toilet valve
assembly (Fig. 4B).

6. Install the seal into the back of the FlowMax toilet bowl (Fig. 4C).

7. Insert the valve (Fig. 4B) into the seal (Fig. 4A) to install the top of the toilet
valve assembly into the FlowMax toilet (Fig. 4C).

ei

Fig. 4

REV: 09.04.25 Page6 Tl-479 CCD-0007864
ihe) ee

NOTE: The following steps refer back to previous images to reference where to
install new valve assembly and complete the installation.

8. Install the bottom of the new inlet valve (Fig. 3A) until clicks are heard

indicating that both top (Fig. 2B) and bottom (Fig. 2C) tabs have securely
seated into valve base (Fig. 2E).

9. Install screws (Fig. 2A) previously removed (Fig. 2F).
NOTE: Be careful not to overtighten the screws.

10. Use as adjustable wrench to reattach water inlet hose (Fig. 1A) to water
valve inlet (Fig. 1B). Tighten to 30-40 in-lb (3.4 to 4.5 Nm).

Notes

REV: 09.04.25 Page7 TIl-479 CCD-0007864
(VLiPPERT

Whenever, wherever, we make
your experience better.

Manual information may be distributed as a
complete document only, unless LipperteBay logo 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 lippert.com. Manual information is
considered factual

until made obsolete by a revised version.

Please recycle all obsolete materials and contact
LipperteBay logo with concerns or questions.

REV: 09.04.25
Tl-479 CCD-0007864

1


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