This Dometic replacement valve base is a critical component for RV water heating systems, connecting your hot water heater to supply lines with a secure 1/2" female pipe thread (FPT) inlet and 1/2" sweat outlet. If your RV's water heater is leaking at the connection point or you're replacing a corroded valve assembly, this left-side configuration ensures proper flow and prevents water damage to your rig.
- 1/2" FPT inlet connection for standard water supply lines
- 1/2" sweat outlet for solder or compression fitting installation
- Left-side configuration for specific Dometic heater models
- Genuine OEM Dometic part ensures exact fit and compatibility
- Brass construction resists corrosion in wet RV environments
- Direct replacement—no modifications needed
| Specification | Detail |
|---|---|
| Inlet Connection | 1/2" FPT (Female Pipe Thread) |
| Outlet Connection | 1/2" Sweat |
| Configuration | Left |
| Material | Brass |
| Part Number | 290337417 |
| Manufacturer | Dometic |
Frequently Asked Questions
Q: How do I know if I need the left or right valve base?
A: Check your RV's water heater documentation or compare the inlet/outlet positions on your current valve base. Left and right refer to the orientation when viewing the heater from the front. Order the correct configuration to ensure proper plumbing alignment.
Q: Can I use this valve base on a different Dometic heater model?
A: This part is engineered for specific Dometic models. Verify your heater model number matches the compatibility list before ordering. Using the wrong configuration may cause leaks or improper function.
Q: What's the difference between FPT and sweat connections?
A: FPT (Female Pipe Thread) connects to male-threaded supply lines with plumber's tape or thread sealant. Sweat connections require soldering or a compression fitting. This valve base accepts both connection types for flexible installation.
Why Elkhart RV Parts: We specialize in hard-to-find Dometic replacement parts and ship directly from Elkhart, Indiana—the RV capital of the world. Every part is genuine OEM Dometic, and our expert support team is ready to help you find the exact component your rig needs.
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 Genuine, name-brand components made to order — never generic, never outdated.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.