The Dometic expansion valve regulates refrigerant flow in your RV's cooling system, maintaining optimal pressure and temperature for reliable air conditioning performance. This OEM replacement is essential for RFG series refrigerators and coolers that use 404A refrigerant and have failed or underperforming cooling.

Key Features

• Designed for 404A refrigerant systems in Dometic RFG series units
• Maintains precise refrigerant metering for consistent cooling performance
• OEM Dometic part ensures exact fit and compatibility
• Direct replacement—no modifications required
• Restores proper evaporator temperature control
• Prevents compressor damage from liquid slugging

Technical Specifications

Part Number	259332686
Refrigerant Type	404A
Compatible Series	Dometic RFG Series
Function	Expansion Valve
Condition	New OEM

Frequently Asked Questions

Q: How do I know if my expansion valve needs replacement?
A: Signs include weak cooling, inconsistent temperature control, ice buildup on the evaporator, or hissing sounds from the cooling unit. A failed expansion valve prevents proper refrigerant flow.

Q: Will this work on my Dometic RFG refrigerator?
A: Yes, this is an OEM Dometic part for RFG series units using 404A refrigerant. Verify your model number and refrigerant type before ordering to ensure compatibility.

Q: Do I need special tools to install this?
A: Expansion valve replacement typically requires refrigeration service tools and EPA certification to handle refrigerant safely. We recommend professional installation to maintain system integrity and warranty compliance.

Why Choose Elkhart RV Parts

We specialize in hard-to-find Dometic replacement parts for RV owners and technicians. Shipping directly from Elkhart, Indiana—the RV capital of the world—we stock genuine OEM parts and provide expert support to help you get the right component the first time.