Dometic 24VDC Water Valve Retrofit Kit - Upgrade Kit for RV Toilets - Part# 385311710

DometicSKU: 385311710
Added to catalog: March 11, 2026
Last product update: June 5, 2026 at 6:32 PM

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The Dometic 24VDC Water Valve Retrofit Kit (Part# 385311710) is an essential upgrade component designed to convert or replace water valve systems in Dometic RV toilets to 24-volt DC operation. This genuine OEM retrofit kit provides reliable water flow control for marine and RV sanitation systems requiring 24-volt power supply. If you're experiencing water valve failures, inconsistent flushing, or need to upgrade your existing toilet system to 24VDC operation, this retrofit kit delivers the factory-engineered solution.

Key Features

  • 24-Volt DC Operation: Engineered specifically for 24VDC electrical systems common in larger RVs and marine applications
  • Complete Retrofit Solution: Includes all necessary components to upgrade or replace your existing water valve assembly
  • Genuine Dometic OEM: Factory-engineered part ensuring perfect fit and reliable performance with Dometic toilet systems
  • Improved Water Control: Provides precise water flow management for efficient flushing and water conservation
  • Direct Replacement: Designed for straightforward installation in compatible Dometic toilet models
  • Durable Construction: Built to withstand the demanding conditions of RV and marine environments

Technical Specifications

Part Number 385311710
Voltage 24 VDC
Part Type Water Valve Retrofit Kit
Application RV/Marine Toilet Systems
Manufacturer Dometic

Frequently Asked Questions

What's the difference between this 24VDC kit and the standard 12VDC water valve?

This kit is specifically designed for 24-volt DC electrical systems, which are commonly found in larger Class A motorhomes, commercial vehicles, and marine vessels. Using the correct voltage kit is critical - installing a 12V valve on a 24V system (or vice versa) will result in improper operation or component failure. Always verify your RV's electrical system voltage before ordering.

Is this a complete kit or do I need to order additional parts?

This is a complete retrofit kit that includes all components necessary to upgrade or replace your water valve assembly. However, depending on your specific toilet model and the extent of your repair, you may need additional gaskets or mounting hardware. If you're unsure about compatibility with your specific Dometic toilet model, contact our parts specialists for guidance.

Can I install this retrofit kit myself or do I need a professional?

Many RV owners with basic mechanical skills can install this retrofit kit using common hand tools. The installation typically involves disconnecting the water supply, removing the old valve assembly, and installing the new 24VDC components. However, you'll need to work with both plumbing connections and 24-volt electrical connections, so if you're not comfortable with either, professional installation is recommended.

Will this kit solve problems with weak flushing or inconsistent water flow?

If your weak flushing or inconsistent water flow is caused by a failing water valve, solenoid, or related electrical components, this retrofit kit should resolve the issue. However, if the problem is related to low water pressure, clogged lines, or other toilet components, you may need additional repairs. A failing water valve typically shows symptoms like continuous water running, no water flow when the flush pedal is pressed, or intermittent operation.

Why Choose Elkhart RV Parts?

At ElkhartRVParts.com, we specialize in hard-to-find Dometic replacement parts that keep your RV systems running smoothly. Located in Elkhart, Indiana - the RV Capital of the World - we have direct access to genuine OEM Dometic parts and the expertise to help you find exactly what you need. We understand that toilet system failures can't wait, which is why we offer fast shipping and knowledgeable support from RV parts specialists who know Dometic systems inside and out. When you order from us, you're getting authentic Dometic parts backed by our commitment to quality and customer service.

100% Authentic OEM Parts

Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.

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