The Dometic Service Valve Knob & Nut is an essential replacement component for RV refrigerator service ports and water heater isolation valves. If your valve knob is cracked, stripped, or missing, this genuine OEM part restores full functionality and allows you to safely control refrigerant or water flow during maintenance and repairs.
Key Features
- Genuine OEM Dometic replacement knob and nut assembly
- Universal fit for most Dometic RV refrigerators and water heater service valves
- Durable plastic construction designed for frequent use
- Includes both knob and securing nut for complete replacement
- Quick installation—no special tools required
- Restores valve control when original knob is damaged or deteriorated
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 3310799.006 |
| Manufacturer | Dometic |
| Component Type | Service Valve Knob & Nut Assembly |
| Material | Plastic |
| Application | RV Refrigerators, Water Heaters, Isolation Valves |
| Installation | Hand-tightened, no tools required |
Frequently Asked Questions
- Q: Will this knob fit my specific Dometic model?
- A: This is a universal service valve knob designed for most Dometic RV refrigerators and water heaters. However, we recommend confirming the part number on your existing valve before ordering. Our team can help you verify compatibility—contact us with your RV model.
- Q: What causes the service valve knob to fail?
- A: Repeated use, UV exposure, temperature fluctuations, and accidental impact can cause plastic knobs to crack or become stripped. If your knob won't turn smoothly or is visibly damaged, replacement is the best solution.
- Q: Is this a genuine Dometic part?
- A: Yes, this is a genuine OEM Dometic part. We source directly from authorized distributors to ensure authenticity and proper fit on your RV systems.
Why Choose Elkhart RV Parts
We specialize in hard-to-find Dometic RV replacement parts and ship from Elkhart, Indiana—the RV capital of the world. Every part we sell is genuine OEM stock, backed by expert customer support to help you find the exact component you need.
| Brand | Dometic |
|---|---|
| Product type | Service Valve Knob & Nut Assembly |
| Part number | 3310799.006 |
| Compatibility | Universal - Multiple Dometic models |
| Compatible series | RM series refrigerators |
| Application | Dometic refrigerators and absorption cooling units |
| Component type | OEM Replacement Part |
| Function | Service valve access and control for refrigerant systems |
| 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.