Dometic Bidet Toilet Flush Valve Kit - Genuine OEM Replacement - Part# 385311721

DometicSKU: 385311721
Added to catalog: March 11, 2026
Last product update: June 5, 2026 at 6:21 PM

Sale price$424.22 Regular price$674.51
| Found it cheaper? Get an answer in seconds.
FREE Delivery Estimate July 6 – July 14
1-Hour Cancellation Window

1-Hour Cancellation Window

You'll have 1 hour after placing your order to update your shipping address or cancel completely.

After that, we begin coordinating with our vendors to fulfill your order — at that point, cancellations and address changes usually aren't possible.

If you're unsure about anything, please reach out before ordering or cancel within the window.

Action Required: Please read & accept before ordering

The Dometic Bidet Toilet Flush Valve Kit (Part# 385311721) is a genuine OEM replacement component designed to restore proper flushing function in Dometic bidet-equipped RV toilets. This complete valve kit includes all necessary components to replace a worn or malfunctioning flush valve, ensuring reliable water flow and proper bidet operation. If you're experiencing weak flushing, water leaks, or bidet spray issues, this valve kit provides the factory-quality solution your Dometic toilet needs.

Key Features

  • Complete Valve Kit: Includes all components needed for a complete flush valve replacement
  • Genuine Dometic OEM: Factory-quality part engineered specifically for Dometic bidet toilet systems
  • Restores Full Function: Fixes weak flushing, water leaks, and bidet spray performance issues
  • Bidet-Compatible Design: Specifically engineered for Dometic toilets with integrated bidet functionality
  • Direct Replacement: Designed to fit and function exactly like the original factory-installed valve

Technical Specifications

Part Number 385311721
Product Type Flush Valve Kit
Application Dometic Bidet Toilets
Kit Contents Complete valve assembly with all necessary components
Manufacturer Dometic

Frequently Asked Questions

Q: What symptoms indicate I need to replace my flush valve?

A: Common signs include weak or incomplete flushing, water continuously running into the bowl, visible leaks around the valve area, reduced bidet spray pressure, or the flush mechanism not engaging properly. If your toilet requires multiple flush attempts or the bidet function has weakened, this valve kit can restore proper operation.

Q: Is this valve kit compatible with all Dometic bidet toilets?

A: This valve kit is designed specifically for Dometic bidet-equipped toilet models. To ensure compatibility, verify your current part number matches 385311721 or consult your toilet's model documentation. If you're unsure about compatibility, our parts specialists can help you identify the correct valve kit for your specific Dometic toilet model.

Q: Does this kit include installation instructions?

A: While the kit includes all necessary valve components, installation instructions may vary by toilet model. Most RV owners with basic mechanical skills can complete this replacement. You'll typically need to shut off the water supply, remove the old valve assembly, and install the new components. Dometic installation guides are available online, or you may consult a qualified RV technician if you prefer professional installation.

Q: Will replacing the flush valve fix bidet spray issues?

A: Yes, if your bidet spray pressure has decreased or become inconsistent, a worn flush valve is often the culprit. The valve controls water flow to both the flush and bidet functions, so replacing it with this genuine Dometic kit should restore proper bidet spray performance along with normal flushing operation.

Why Choose Elkhart RV Parts?

At Elkhart RV Parts, we specialize in hard-to-find Dometic replacement parts that keep your RV systems running like new. Located in Elkhart, Indiana — the RV Capital of the World — we understand the importance of genuine OEM parts for reliable repairs. This Dometic Bidet Toilet Flush Valve Kit is an authentic factory part, not an aftermarket substitute, ensuring perfect fit and long-lasting performance.

We offer fast shipping, expert technical support, and a commitment to helping RV owners find exactly what they need. When you need genuine Dometic parts, trust the specialists who know RVs inside and out.

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.

You may also like

Recently viewed