The Dometic Vacuum Breaker Kit is an essential repair component for Dometic RV toilets in the 300, 310, and 320 series. This kit prevents siphoning and backflow issues that can damage your waste system and compromise sanitation. If your toilet isn't holding water properly or you're experiencing unusual odors, a faulty vacuum breaker is often the culprit.
Key Features
- Prevents siphoning and backflow in Dometic RV toilet systems
- Maintains proper waste tank pressure and sanitation
- Direct replacement for OEM Dometic part
- Compatible with 300, 310, and 320 series toilets
- Complete kit with all necessary components for installation
- Restores toilet performance and eliminates water-holding issues
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 385316906 |
| Compatible Models | Dometic 300, 310, 320 Series Toilets |
| Type | Vacuum Breaker Kit |
| Application | RV Toilet Waste System |
Frequently Asked Questions
Q: How do I know if my vacuum breaker needs replacement?
A: Signs include water not staying in the bowl, unusual gurgling sounds from the toilet, or persistent odors coming from the waste tank. A failing vacuum breaker can also cause the toilet to drain slowly or incompletely.
Q: Is this kit easy to install myself?
A: Yes, the vacuum breaker kit is designed for DIY installation on most RV owners. The kit includes all necessary components. If you're unfamiliar with RV plumbing, consult your Dometic toilet manual or contact our support team for guidance.
Q: Will this kit work on my older Dometic toilet?
A: This kit is specifically designed for Dometic 300, 310, and 320 series toilets. Check your toilet model number before ordering. If you're unsure of your model, our team can help you identify the correct part.
Why Choose Elkhart RV Parts
We specialize in hard-to-find Dometic RV replacement parts and ship directly from Elkhart, Indiana—the RV capital of the world. Every part we sell is genuine OEM Dometic equipment backed by expert customer support. When you need the exact part to keep your RV systems running smoothly, trust the specialists who know RVs inside and out.
| Brand | Dometic |
|---|---|
| Product type | Vacuum Breaker Kit |
| Application | RV Toilet |
| Compatible models | 300, 310, 320 Series |
| Part number | 385316906 |
| Part category | Service Part / OEM Replacement |
| Includes | Sealing Grommet |
| Key features | Prevents Back-Siphonage, Maintains Proper Water Flow, Leak-Free Operation |
| Condition | New |
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.