Dometic RV Gravity Flush Toilet Water Valve Assembly (385314349) — OEM replacement with screws, restores flush pressure

This OEM Dometic replacement water valve assembly (part number 385314349) is a factory-made component designed to restore correct water flow and sealing in Gravity Flush toilet systems (excluding Dometic 300 and 400 Series). The kit arrives as a complete assembly with the replacement screws and installation instructions so you can swap the faulty valve without sourcing additional parts. As a Dometic factory part, it is engineered to match original specifications for fit, function, and long-term durability.

How will this part fix my RV toilet’s water issues?

Replacing a worn or leaking valve assembly addresses inconsistent flushing, drips, and poor water distribution by restoring the original valve geometry and seals. Because it is a full assembly, you replace every internal component that controls water flow, rather than attempting partial repairs that may fail again.

• Full assembly replaces all valve internals and seals to stop leaks.
• Restores correct flush pressure and water distribution for effective evacuation.
• Includes mounting screws and instructions to simplify the swap.

Is installation difficult and what tools do I need?

Installation is straightforward for someone comfortable with basic RV maintenance—no specialized plumbing tools are required. The assembly is designed to align with the original mounting points and comes with replacement screws and step-by-step directions to reduce guesswork.

• Typical tools: screwdriver, adjustable wrench, and a towel to catch water.
• Mounting holes and connections mirror the factory valve for easy alignment.
• Manufacturer instructions included to guide torque and seal checks.

Which Dometic toilet models are compatible with this valve assembly?

This part is a direct OEM replacement for many Gravity Flush models and lists specific model numbers for accurate cross-referencing. It is not compatible with Dometic 300 or 400 Series toilets, so confirm your toilet model before ordering to ensure proper fit and performance.

• Compatible with: 90626, 980, 911, 91128, 902, 210, 848, 90625, and others.
• Not compatible with Dometic 300 Series and 400 Series toilets.
• Using genuine Dometic parts helps maintain warranty and original performance.

Will switching to this OEM valve affect warranty or performance?

Using an authentic Dometic replacement supports continued performance to factory specifications and helps protect any applicable product warranty. After installation, your toilet should operate with the same flow characteristics and durability intended by the manufacturer.

• Genuine component ensures original performance and fit.
• Non-Dometic parts may compromise function and warranty coverage.
• Factory part numbers and instructions help meet service requirements.

Who is this for: RV owners, fleet maintainers, and service technicians who own or service Dometic Gravity Flush toilets (excluding the 300 and 400 Series) and need a reliable, OEM replacement valve. If you’re looking to stop leaks, restore flush consistency, and use a part that matches factory fit and specifications, this Dometic water valve assembly with included screws is built for that repair or preventive maintenance job.