Thetford Waste Ball & Drive Arm Kit For Aqua Magic Style Plus/Style RV Lite Toilets 34090

The Thetford 34090 Waste Ball & Drive Arm Kit is a genuine replacement kit designed for Aqua Magic Style Plus and Style Lite RV toilets. This kit includes the waste ball and drive arm, which work together to control the release of waste and water from the toilet bowl, ensuring proper flushing and leak-free operation.

If your Style Plus or Style Lite toilet is experiencing poor flushing, leaks, or difficulty opening and closing the waste valve, replacing these components with the 34090 kit restores reliable, smooth operation. Manufactured to Thetford’s high-quality standards, the kit is durable, easy to install, and precisely engineered for a perfect fit.

Maintain the performance, hygiene, and reliability of your RV toilet with the Thetford 34090 Waste Ball & Drive Arm Kit — an essential solution for smooth and effective flushing in Aqua Magic Style Plus and Style Lite toilets.

Features & Benefits

• OEM waste ball and drive arm assembly engineered for Aqua-Magic Style Lite and Style Plus toilets
• Provides a tight seal preventing leaks and odors from the waste line
• Ensures smooth rotation and reliable flush mechanism operation
• Durable materials built to withstand repeated use and RV vibration
• Restores proper alignment of waste valve for consistent, complete flushes
• Cost-effective repair compared to replacing entire toilet 

Fits These Models

Compatible with:

• Thetford Aqua-Magic Style Lite (permanent toilets)
• Thetford Aqua-Magic Style Plus (permanent toilets)

Not compatible with Style II, Aqua-Magic V, Bravura, Galaxy, Starlite, or other non-Style-Lite/Plus models.

Common Issues Solved

Installation of this kit addresses:

• Waste ball not sealing properly — leading to leaks or odors
• Waste ball sticking or not rotating for flush
• Incomplete flush — bowl not emptying fully
• Water or waste leaking into bowl after flush
• Drive arm wear or breakage preventing valve operation

Replaces / Also Known As

• Thetford 34090 Waste Ball Kit
• Style Lite / Style Plus Waste Valve Assembly
• RV Toilet Waste Ball & Arm Replacement
• OEM Waste Valve Cartridge Kit

What’s Included

• Waste ball (for flush valve)
• Drive arm / shaft assembly
• Seals and gaskets required for proper installation
• Instruction sheet for installation

Installation Overview

1. Turn off the RV water supply — flush and empty the toilet.
2. Remove toilet shroud or access panel to expose waste valve area.
3. Detach existing waste ball and drive arm — remove old seals.
4. Clean the valve housing thoroughly to remove debris.
5. Install new waste ball, drive arm, and seals from the 34090 kit.
6. Reassemble toilet base and mounting components.
7. Turn on water supply and test flush — check for leaks and proper sealing.

Typical installation time: 20–30 minutes, depending on access and toilet configuration.

Frequently Asked Questions

Q: My toilet flushes but smells — will this kit fix it?
A: Yes. A worn or damaged waste ball or seal can allow odors or waste gases to escape. Replacing them with this kit restores a proper, tight seal.

Q: Is this kit OEM or aftermarket?
A: This is a genuine Thetford OEM replacement kit (part 34090) designed for Style Lite and Style Plus toilets.

Q: Will this kit fit Style II or Aqua-Magic V toilets?
A: No. It is specifically designed for Style Lite and Style Plus. Style II, Aqua-Magic V, and other series use different waste valve systems.

Q: Can I perform the replacement myself?
A: Yes. As long as you can safely access the valve housing and follow basic mechanical steps, most users can install this kit with standard tools.