RV Toilet Flush Seal Kit – Fits Dometic/VacuFlush

Upgrade your RV toilet’s performance with this **high-quality flush seal kit**, designed for seamless compatibility with Dometic, Sealand, Mansfield, and VacuFlush models. Whether you’re maintaining a travel trailer, camper, or marine toilet, this kit ensures a tight, leak-free seal—keeping water where it belongs and odors contained. Made from durable rubber, it resists friction and wear, extending the life of your toilet while saving you from costly replacements.

Installation is straightforward: simply turn off the water supply, remove the old seal, clean the toilet edge, and fit the **thick 7″ outer diameter seal** (part 385311462) followed by the flush ball (part 385316140). Check for leaks after installation to confirm a proper seal. Note: This kit is not compatible with 300, 310, or 320 Series toilets and does not include overflow hole components.