8PCS RV Toilet Water Valve Kit 385311641 Camper Toilet Repair Flush for Dometic 300 310 320 Series 1Part Number: The referencing part number of the valve kit is 385311641. Ensure compatibility and easy installation by using the correct part number for your marine toilet. 2High Compatibility: Replacement for Dometic 300 310 320 Series RV Toilet. Upgrade your RV toilet with this water valve kit for improved flushing performance and easy maintenance. 3Strong Sealing: All seals and connections on the valve are reinforced to ensure they do not leak. Good sealing, durable not easy to be broken. 4Durable Construction: Made of durable plastic, metal materials to withstand the rigors of RV and marine use, ensuring long lasting performance and reliability. 5Easy to Install and Maintain: Comes with all necessary components for a hassle free installation and convenient maintenance of your RV toilet.