Upgraded Dometic Toilet Valve Replacement Kit (385311641) for Dometic 300/310/301/311/320/321 - Frost/Leak Proof Fits RV Camper Marine

Price: $13.47
Product prices and availability are accurate as of 2026-04-21 10:54:44 UTC and are subject to change. Any price and availability information displayed on https://www.amazon.com at the time of purchase will apply to the purchase of this product.
In Stock
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Product Features

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.


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