This 1/2" replacement valve is a critical component for Dometic RVS water systems, controlling water flow to your RV's fresh water tank, gray water tank, or black water tank systems. If your valve is leaking, stuck, or not shutting off completely, this OEM replacement will restore proper operation and prevent water damage to your RV interior.
Key Features
- 1/2" connection size fits standard Dometic RVS plumbing systems
- Genuine OEM Dometic part ensures perfect fit and compatibility
- Durable construction designed for RV water system demands
- Easy installation with standard plumbing tools
- Reliable shut-off prevents unwanted water flow and tank overflow
- Direct replacement for worn or damaged valves
Technical Specifications
| Specification | Details |
|---|---|
| Connection Size | 1/2" |
| Part Number | 290339643 |
| Manufacturer | Dometic |
| System Type | RVS Water Systems |
Frequently Asked Questions
How do I know if my Dometic RVS valve needs replacement?
Signs include water leaking from the valve body, inability to fully shut off water flow, difficulty turning the valve handle, or water pooling under your tanks. If you notice any of these issues, replacement is recommended.
Is this valve compatible with my RV's water system?
This 1/2" valve is designed for Dometic RVS systems. Verify your current valve size and system type before ordering. If you're unsure, check your RV's water system documentation or contact our expert support team.
What tools do I need to install this replacement valve?
You'll typically need an adjustable wrench or pliers to disconnect the old valve and connect the new one. Some installations may require Teflon tape to ensure a watertight seal. Always turn off your water pump before beginning work.
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 our expert support team. When you need the exact replacement part for your RV water system, trust the specialists who know RVs inside and out.
| Brand | Dometic |
|---|---|
| Product_type | Replacement Valve |
| Part_number | 290339643 |
| Size | 1/2" |
| Compatibility | Dometic RVS series water heaters |
| Application | Travel trailers and motorhomes |
| Function | Water flow and pressure regulation |
| Part_category | Service Part |
| Oem | true |
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.