This Dometic replacement valve base is an essential component for RV water systems, refrigeration units, and heating appliances that use sweat-soldered copper connections. If your RV's water heater, ice maker, or cooling system has a leaking or damaged valve base, this genuine OEM part will restore proper function and prevent water or refrigerant loss.

• Female 1/4" NPT inlet connection for easy integration into existing plumbing
• 1/4" sweat (solder) outlet for permanent, leak-free copper tubing connections
• Genuine Dometic OEM part—exact factory replacement
• Durable brass construction rated for RV water and refrigeration systems
• Compatible with multiple Dometic appliances including water heaters and cooling units
• Direct replacement—no modifications needed

Frequently Asked Questions

Q: What does a valve base do in my RV?
A: The valve base serves as the connection point between your water or refrigeration line and the valve itself. It directs fluid flow and provides secure attachment points for both the inlet supply line and outlet tubing.

Q: Can I use compression fittings instead of soldering?
A: No. The sweat connection requires soldering to a copper line for a permanent, leak-proof seal. Compression fittings are not compatible with this sweat outlet design.

Q: Will this fit my specific Dometic appliance?
A: This is a common OEM replacement used across many Dometic water heaters, ice makers, and refrigeration systems. Verify your part number (290330410) matches your appliance documentation or contact our expert support team to confirm compatibility.

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 stock with expert support to help you identify and install the exact component your RV needs.