This Dometic PVC adapter connects 0.5" female pipe thread (FPT) fittings to 0.5" hose barb (HB) connections in your RV's water, waste, or appliance systems. It's an essential connector for plumbing repairs, system upgrades, or replacing damaged adapters in Dometic water heaters, holding tanks, and freshwater systems.
Key Features
- 0.5" FPT x 0.5" HB connection sizes for standard RV plumbing
- Durable PVC construction resists corrosion and chemical damage
- Threaded female end accepts standard pipe fittings securely
- Barbed end accommodates flexible hose with hose clamp
- Compact design fits tight spaces in RV cabinets and compartments
- OEM Dometic part ensures compatibility with factory systems
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 290335080 |
| Connection Type (End 1) | 0.5" Female Pipe Thread (FPT) |
| Connection Type (End 2) | 0.5" Hose Barb (HB) |
| Material | PVC |
| Application | Water, waste, and appliance systems |
Frequently Asked Questions
Q: Will this adapter work with my Dometic water heater?
A: Yes, this 0.5" FPT x HB adapter is commonly used in Dometic water heater installations and replacements. Verify your system uses 0.5" connections before ordering.
Q: What size hose clamp do I need for the barbed end?
A: Use a standard hose clamp sized for 0.5" diameter hose. Most RV supply stores carry these in stainless steel, which resists corrosion in wet environments.
Q: Can I use this adapter for both fresh water and waste water lines?
A: Yes, PVC adapters work in both fresh water and waste water applications. However, always verify your RV manufacturer's specifications for your specific system.
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. This is a genuine OEM Dometic part backed by our expert support team. When you need the exact adapter your RV was built with, we have it in stock and ready to ship.
| Brand | Dometic |
|---|---|
| Part number | 290335080 |
| Product type | PVC Adapter Fitting |
| Connection type - end 1 | Female Pipe Thread (FPT) |
| Connection type - end 2 | Hose Barb (HB) |
| Size - end 1 | 0.5 inch |
| Size - end 2 | 0.5 inch |
| Material | PVC |
| Application | RV Water Systems |
| Compatible systems | Freshwater SystemWaste System |
| Compatible appliances | Water HeatersWashers |
| Part category | OEM Replacement Part |
| Installation type | Push-on Connection |
| Features | Leak-freeSecure connection |
| New item | 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.