Funmit Upgraded 1-Pack RV Toilet Water Valve Kit for Dometic 300/310/320 Series | Includes 385311658 Flush Ball Seal

Upgrade your RV toilet with confidence

Funmit presents the Upgraded 1-Pack RV Toilet Water Valve Kit, designed to fit select Dometic 300, 310, and 320 pedal-flush models. This kit includes the 385311658 flush ball seal and a precision valve to help maintain reliable water flow, minimize leaks, and support a clean, odor-controlled toilet area on the go. If your system uses components from Sealend, Travelar, Vecuflush, or similar RV setups, this kit may fit your model; always verify compatibility with your specific unit to ensure a proper seal.

Compatibility and fitment at a glance

The valve and seal are engineered to work with several popular RV toilet configurations, including 300, 310, and 320 series pedal-flush models. Please note that this kit is not designed for models such as 210 or 510. Before purchasing, check your model number and the installation layout to confirm a seamless fit.

• Compatible with Dometic 300/310/320 pedal-flush toilets and related RV systems
• Not suitable for 210 or 510 models
• Includes essential hardware for a straightforward swap

Durable design for real-world use

The 385311641 water valve housing is crafted from sturdy ABS plastic, reinforced to resist cracking under pressure. The 385311658 flush ball seal uses high-grade rubber to deliver a reliable seal. Together, these components are designed to withstand the bumps and temperature shifts common on road trips, helping you avoid unexpected leaks and maintain normal toilet operation.

• ABS valve housing provides leak resistance and durability
• High-quality rubber flush ball seal supports long-term sealing
• Thorough manufacturer testing aims to ensure lasting performance

Possible benefits you may notice on the road

In practical use, you might experience more predictable flush cycles, steadier water flow, and a better-sealed bowl environment. The upgraded seal helps contain water and reduce unpleasant smells, while the valve design supports reliable operation in cold weather, mitigating some risks of freezing. Keep in mind that results can vary by model and setup, and these are possibilities rather than guarantees.

• Consistent water flow for easier flushes
• Improved sealing to help manage moisture and odor
• Better performance in cooler conditions, reducing freeze-related concerns
• Lower risk of pipe damage from pressure surges

What’s included and how installation works

Package contents cover all you need for replacement and quick maintenance: a water valve, a hose clamp, two screws, two stainless steel mesh filters, and the 385311658 flush ball seal. The valve measures about 0.7 inches by 4.1 inches, and the design allows for straightforward installation with common tools. After installation, the valve is designed to be removable without damaging your toilet or plumbing so future maintenance is convenient.

• 1 x water valve, 1 x 385311658 flush ball seal
• 1 x hose clamp, 2 x screws
• 2 x stainless steel mesh filters for future maintenance
• Easy-to-follow steps for a quick upgrade

Support and confidence from Funmit

Funmit focuses on providing a simple, streamlined shopping experience for large appliance replacement parts. We stand by the quality of our components and offer responsive customer service. If you encounter any quality issues, reach out to our team for assistance as you refresh your RV toilet system. This upgrade is intended to be a practical, dependable option for weekend getaways or longer road trips.