Dometic 300/310/320 RV Toilet Valve & Seal Kit
$15.99 on Amazon.com (as of October 15, 2026, 12:00 AM EST) View details ↗
Upgrade your Dometic RV toilet with this OEM-compatible replacement kit, designed specifically for the 300, 310, and 320 series pedal-flush toilets. This kit includes the 385311641 water valve and 385311658 flush ball seal, ensuring a perfect fit and seamless integration with your existing setup. Built with reinforced polymer and ABS plastic for the valve and wear-resistant rubber for the seal, this kit delivers long-lasting durability while preventing leaks, odors, and freeze-cracking—common issues in RV toilets.
The installation is straightforward, thanks to clear ‘This Side Up’ markings on the seal and a full set of accessories, including a hose clamp, screws with washers, and two stainless steel strainers for future maintenance. Whether you're addressing a slow flush, persistent leaks, or cold-weather performance concerns, this kit provides a reliable solution. Note that proper alignment during installation is critical to avoid damage to the valve. Perfect for camper owners, travel trailer enthusiasts, and anyone maintaining a Dometic toilet system.
| Compatible Models | Dometic 300, 310, 320 series toilets |
|---|---|
| Valve Material | Reinforced polymer & ABS plastic |
| Seal Material | Wear-resistant rubber |
| Included Components | 1 water valve, 1 flush ball seal, 1 hose clamp, 2 screws with washers, 2 stainle |
| Installation Guidance | ‘This Side Up’ markings; requires proper alignment to avoid valve damage |
| Key Fixes | Prevents leaks, odors, and freeze-cracking |
