Dometic MasterFlush Tall Outlet Tube Kit - Part# 385311778
The Dometic MasterFlush Tall Outlet Tube Kit is an essential replacement component for RV owners with Dometic MasterFlush toilet systems. This outlet tube extends from the toilet bowl to the waste tank, and when cracked, leaking, or deteriorated, it must be replaced to prevent sewage odors and system failures. If your toilet is leaking at the base or you're experiencing foul smells inside your RV, this replacement kit restores proper waste flow and sanitation.
- OEM Dometic replacement part for MasterFlush toilet systems
- Tall outlet design fits standard RV toilet bowl configurations
- Durable construction withstands chemical treatments and waste exposure
- Direct replacement—no modifications needed
- Prevents leaks and odor issues when installed correctly
- Compatible with multiple Dometic MasterFlush models
| Specification | Details | |
|---|---|---|
| Part Number | 385311778 | |
| Brand | Dometic | |
| Product Type | Outlet Tube Kit | |
| Application | MasterFlush Toilet Systems | |
| Design | Tall Outlet | |
| Condition | New OEM |
Frequently Asked Questions
Q: How do I know if my outlet tube needs replacement?
A: Signs include visible cracks or splits in the tube, sewage leaking around the toilet base, persistent odors despite proper tank maintenance, or difficulty flushing waste into the tank. If the tube is discolored or brittle, replacement is recommended.
Q: Will this fit my Dometic MasterFlush toilet?
A: This tall outlet tube is designed for standard Dometic MasterFlush systems. Verify your toilet model number matches Dometic MasterFlush specifications before ordering. Contact our expert support team if you're unsure about compatibility.
Q: How difficult is installation?
A: Installation requires disconnecting the outlet tube from the toilet bowl and waste tank connections. Most RV owners can complete this in 15-30 minutes with basic tools. Consult your Dometic manual or contact our support team for step-by-step guidance.
Why Choose Elkhart RV Parts
Elkhart RV Parts specializes in hard-to-find Dometic replacement components. We ship directly from Elkhart, Indiana—the RV capital of the world—ensuring fast delivery and authentic OEM parts. Our expert support team is ready to help you identify the exact part your RV needs and answer technical questions about installation.
Original: $252.99
-65%$252.99
$88.55Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Dometic MasterFlush Tall Outlet Tube Kit is an essential replacement component for RV owners with Dometic MasterFlush toilet systems. This outlet tube extends from the toilet bowl to the waste tank, and when cracked, leaking, or deteriorated, it must be replaced to prevent sewage odors and system failures. If your toilet is leaking at the base or you're experiencing foul smells inside your RV, this replacement kit restores proper waste flow and sanitation.
- OEM Dometic replacement part for MasterFlush toilet systems
- Tall outlet design fits standard RV toilet bowl configurations
- Durable construction withstands chemical treatments and waste exposure
- Direct replacement—no modifications needed
- Prevents leaks and odor issues when installed correctly
- Compatible with multiple Dometic MasterFlush models
| Specification | Details | |
|---|---|---|
| Part Number | 385311778 | |
| Brand | Dometic | |
| Product Type | Outlet Tube Kit | |
| Application | MasterFlush Toilet Systems | |
| Design | Tall Outlet | |
| Condition | New OEM |
Frequently Asked Questions
Q: How do I know if my outlet tube needs replacement?
A: Signs include visible cracks or splits in the tube, sewage leaking around the toilet base, persistent odors despite proper tank maintenance, or difficulty flushing waste into the tank. If the tube is discolored or brittle, replacement is recommended.
Q: Will this fit my Dometic MasterFlush toilet?
A: This tall outlet tube is designed for standard Dometic MasterFlush systems. Verify your toilet model number matches Dometic MasterFlush specifications before ordering. Contact our expert support team if you're unsure about compatibility.
Q: How difficult is installation?
A: Installation requires disconnecting the outlet tube from the toilet bowl and waste tank connections. Most RV owners can complete this in 15-30 minutes with basic tools. Consult your Dometic manual or contact our support team for step-by-step guidance.
Why Choose Elkhart RV Parts
Elkhart RV Parts specializes in hard-to-find Dometic replacement components. We ship directly from Elkhart, Indiana—the RV capital of the world—ensuring fast delivery and authentic OEM parts. Our expert support team is ready to help you identify the exact part your RV needs and answer technical questions about installation.















