Dometic Vacuum Switch Kit - RV Toilet - Fits 300/310/320 Series - Part# 385311436
The Dometic Vacuum Switch Kit is a critical component for maintaining proper operation of your RV's Dometic toilet system. This switch detects vacuum levels in your waste tank and signals the toilet's flushing mechanism to function correctly. If your toilet isn't flushing or you're experiencing weak flushing performance, a faulty vacuum switch is often the culprit.
Key Features
- Genuine OEM Dometic replacement part—ensures exact fit and compatibility
- Fits Dometic 300, 310, and 320 series toilet models
- Vacuum-sensing design maintains proper tank pressure monitoring
- Direct replacement—no modifications or adapters required
- Reliable performance in harsh RV waste tank environments
- Restores full flushing power to your Dometic toilet system
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 385311436 |
| Manufacturer | Dometic |
| Compatibility | Dometic 300, 310, 320 Series Toilets |
| Component Type | Vacuum Switch Assembly |
| Function | Tank Vacuum Level Detection |
| Installation | Direct Replacement |
Frequently Asked Questions
Q: How do I know if my vacuum switch needs replacement?
A: Common signs include weak or no flushing action, gurgling sounds from the toilet, or the toilet not responding when you press the flush button. If your Dometic 300/310/320 series toilet exhibits these symptoms, the vacuum switch is often the issue.
Q: Is this a difficult part to install?
A: Installation is straightforward for most RV owners. The switch connects directly to your existing toilet assembly with no special tools required. Consult your Dometic toilet manual for exact placement and connection points specific to your model.
Q: Will this work with my older Dometic toilet?
A: This vacuum switch kit is specifically engineered for Dometic 300, 310, and 320 series toilets. Verify your toilet model number before ordering to ensure compatibility. If you're unsure of your model, contact our expert support team.
Why Elkhart RV Parts
We specialize in hard-to-find Dometic RV replacement parts that keep your system running smoothly. Shipping directly from Elkhart, Indiana—the RV capital of the world—we stock genuine OEM parts and provide expert support to help you get the exact component you need. When your RV toilet needs attention, trust the specialists who understand your equipment.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Dometic Vacuum Switch Kit is a critical component for maintaining proper operation of your RV's Dometic toilet system. This switch detects vacuum levels in your waste tank and signals the toilet's flushing mechanism to function correctly. If your toilet isn't flushing or you're experiencing weak flushing performance, a faulty vacuum switch is often the culprit.
Key Features
- Genuine OEM Dometic replacement part—ensures exact fit and compatibility
- Fits Dometic 300, 310, and 320 series toilet models
- Vacuum-sensing design maintains proper tank pressure monitoring
- Direct replacement—no modifications or adapters required
- Reliable performance in harsh RV waste tank environments
- Restores full flushing power to your Dometic toilet system
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 385311436 |
| Manufacturer | Dometic |
| Compatibility | Dometic 300, 310, 320 Series Toilets |
| Component Type | Vacuum Switch Assembly |
| Function | Tank Vacuum Level Detection |
| Installation | Direct Replacement |
Frequently Asked Questions
Q: How do I know if my vacuum switch needs replacement?
A: Common signs include weak or no flushing action, gurgling sounds from the toilet, or the toilet not responding when you press the flush button. If your Dometic 300/310/320 series toilet exhibits these symptoms, the vacuum switch is often the issue.
Q: Is this a difficult part to install?
A: Installation is straightforward for most RV owners. The switch connects directly to your existing toilet assembly with no special tools required. Consult your Dometic toilet manual for exact placement and connection points specific to your model.
Q: Will this work with my older Dometic toilet?
A: This vacuum switch kit is specifically engineered for Dometic 300, 310, and 320 series toilets. Verify your toilet model number before ordering to ensure compatibility. If you're unsure of your model, contact our expert support team.
Why Elkhart RV Parts
We specialize in hard-to-find Dometic RV replacement parts that keep your system running smoothly. Shipping directly from Elkhart, Indiana—the RV capital of the world—we stock genuine OEM parts and provide expert support to help you get the exact component you need. When your RV toilet needs attention, trust the specialists who understand your equipment.















