Dometic NRX Series Refrigerator PCB Control Board - Part# 4450033056

The Dometic NRX Series refrigerator PCB control board is the electronic brain of your RV refrigerator, managing temperature regulation, cooling cycles, and system diagnostics. If your Dometic NRX fridge isn't cooling properly, displaying error codes, or responding to temperature adjustments, a faulty control board is often the culprit. This genuine OEM replacement restores full functionality to your RV's cooling system.

Key Features

• Genuine OEM Dometic part — exact replacement for NRX Series refrigerators
• Controls temperature regulation and cooling cycle management
• Diagnostic capabilities for system troubleshooting
• Direct plug-and-play installation — no modifications required
• Restores responsive temperature controls and display functions

Technical Specifications

Frequently Asked Questions

How do I know if my control board has failed?
Common signs include the refrigerator not cooling, unresponsive temperature controls, error codes on the display, or the unit cycling on and off repeatedly. If basic troubleshooting (checking power, vents, and settings) doesn't resolve the issue, the control board is likely the problem.

Is this a direct replacement for my NRX refrigerator?
Yes — this is a genuine OEM Dometic part designed specifically for NRX Series models. It installs directly without modifications. Always verify your model number matches before ordering.

Do I need professional installation?
Most RV owners can replace the control board themselves by disconnecting the old board and plugging in the new one. However, if you're uncomfortable with electrical components, consult a certified RV technician.

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 we sell is genuine OEM equipment backed by expert customer support to help you get your RV back on the road.