Wide & Precise Compatibility--This 385311641 do.metic toilet valve kit is specifically engineered to fit Dom.etic 310, 300, 320, 311, 321 series RV toilets—the most popular models for U.S. RV owners. It replaces OEM part numbers 385311641 (water valve) making it a direct replacement for Sealand, Traveler, and Vacu-Flush pedal-flush toilets. Perfect for RV campers, marine boats, and travel trailers. Note: Does NOT fit Do-metic 506, 706, 709, 806, 808, or other unmentioned models. Advanced Frost Resistance & Durable Construction --Designed for all-season use, this dom-etic rv toilet valve features ultrasonic welded joints and reinforced polymer material—passing rigorous freeze tests at -20°F (-29°C). Unlike cheap plastic valves that crack in winter, it withstands harsh cold, making it ideal for winter camping in the Midwest or mountain regions. Crafted with factory-grade materials, it resists wear, corrosion, and mineral buildup (common in RV water systems), ensuring long-term reliability and a leak-free seal for years. 100% Leak-Proof Performance --Say goodbye to messy drips and water waste! The kit includes a precision-molded 385311658 rubber flush ball seal and threaded hose connections that lock securely in place. High-density seals and stainless steel hose clamps eliminate common piston leaks—protecting your RV’s flooring from water damage and preserving your water tank supply. Every do-metic toilet valve in this kit undergoes pressure testing to guarantee zero leakage, even under frequent use. All-in-One Kit with Complete Components--No need to buy extra parts—this do-metic toilet valve kit includes everything you need for a full replacement: 1 x 385311641 water valve 1 x stainless steel hose clamp 2 x stainless steel mesh filters (prevents mineral clogging) 2 x mounting screws All components are pre-packaged and labeled, saving you time on sourcing separate dome-tic 310 toilet parts or do-metic 300 toilet parts. Tool-Free, 5-Minute Installation-- Installing this dom-etic rv toilet valve kit is simple—no professional skills or extra tools required! Just follow 3 easy steps: Remove the old valve/seal from your Do-metic pedal-flush toilet; Secure the new 385311641 valve with the included screws; . Even if you’re new to RV repairs, online installation videos (search “replace water valve on dom-etic 310 toilet”) can guide you. Restores optimal flushing performance in minutes—fixes weak flushes, noisy valves, or odor issues caused by old parts. 2-Year W-arranty & Satisfaction Guara-ntee We stand behind our d-ometic toilet valve kit with a 2-year manufacturer’s wa-rranty. If the valve cracks, the seal leaks, or any component fails during normal use, contact us for a free replacement or f-ull refund—no questions asked. Our 24/7 customer team is ready to assist with compatibility checks or installation help. Buy with confidence, knowing you’re getting a reliable solution for your dome-tic 310/300/320 series toilet. If you are struggling with RV toilet water valves that leak and are not weatherproof, the 385311641 water valve kit dom-etic kit will be the ideal solution for you. 385311641 water valve kit is compatible with Sea-land Dome-tic 300, 301, 310, 311, 320, 321, and also works with RV Camper Vacu-flush and Boat RV Camper toilets. Does not fit 506, 706, 709, 748, 749, 806, 808, 847, 848, 1147, 1148, 2010, 2011, 5006, 5047, 5048, 5049 RV toilet valve replacement kit includes 1 x water valve, 1 x hose clamp, 2 x stainless steel mesh filters, 2 x screws, making it an excell ent choice for do-metic toilet valve replacement. One of the highlights of this kit is its superior cold and freeze resistance. Made of special low-temperature-resistant material, it can withstand extreme cold environments and prevent the water valve from being damaged due to freezing temperatures even in the harsh winter months, thus protecting your RV travels. No longer need to worry about the water valve being frozen and cracked causing the entire RV water system to collapse when traveling in cold areas. Leak-proof performance is its specialty. 385311641 water valve kit do-metic 300 toilet water valve, do-metic 310 rv toilet valve and other components in the kit are precision engineered and rigorously tested to provide excellent sealing performance. Together with the included high-quality accessories, such as hose clamps and stainless steel mesh filters, you can effectively eliminate water leakage and say goodbye to the embarrassing scenario of wet and watery toilet surroundings that are difficult to clean. In addition, as the rv toilet valve replacement kit, it is easy to install, follow the instructions step by step, even the RV novice can easily complete the replacement. Choose the 385311641 water valve kit dom-etic kit to keep your RV toilet running efficiently and stably at all times and enjoy a worry-free RV traveling life. The Dome-tic 300 toilet water valve (camper toilet valve) regulates the amount of water flow in the toilet,