This Dometic NPT threaded fitting is an essential plumbing component for RV water systems and refrigeration lines. Whether you're repairing a leak, replacing worn connections, or upgrading your RV's plumbing infrastructure, this genuine OEM fitting ensures reliable, leak-free performance in your freshwater, greywater, or refrigeration applications.

• NPT (National Pipe Thread) standard connection for universal compatibility
• Genuine Dometic OEM part—ensures proper fit and performance
• Suitable for both plumbing and refrigeration system applications
• Durable construction designed to withstand RV vibration and pressure cycles
• Easy installation with standard plumbing tools
• Part# 290335747 for exact ordering and compatibility verification

Frequently Asked Questions

Q: Will this fitting work with both my fresh water and refrigeration lines?
A: Yes. This NPT threaded fitting is designed for use in both plumbing and refrigeration applications, making it a versatile replacement for multiple systems in your RV.

Q: How do I know this is the right fitting for my Dometic system?
A: Always verify the part number 290335747 against your RV's documentation or existing component. NPT fittings are standardized, but confirming the part number ensures exact compatibility with your Dometic equipment.

Q: What tools do I need to install this fitting?
A: Standard plumbing wrenches and thread seal tape (PTFE tape) are typically all you need. Avoid over-tightening, which can damage the fitting or create leaks.

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, backed by expert support to help you identify and install the exact component your RV needs.