The Dometic CFX Integrated Control Unit (Part# 4450034549) is the electronic brain of your CFX5 series portable refrigerator/freezer. This critical component manages temperature control, power regulation, and display functions. If your CFX5 cooler won't power on, displays error codes, or fails to maintain temperature, this integrated control unit is likely the solution. Designed specifically for CFX5 models, this OEM replacement restores full functionality to your portable cooling system.

Key Features

• Complete Control System: Manages compressor operation, temperature sensing, and user interface functions
• Digital Display Integration: Controls LED/LCD display for temperature readouts and system status
• Multi-Voltage Compatibility: Regulates power from 12V DC, 24V DC, and AC power sources
• Built-In Diagnostics: Monitors system performance and displays error codes for troubleshooting
• OEM Dometic Quality: Factory-engineered component ensures proper fit and reliable operation
• Direct Replacement: Plug-and-play installation with factory connectors

Technical Specifications

Part Number	4450034549
Component Type	Integrated Control Unit / PCB Assembly
Voltage Range	12V DC / 24V DC / 100-240V AC
Compatible Series	CFX5 Series Portable Coolers
Function	Temperature Control, Power Management, Display Interface

CFX5 Series Compatibility

Model Series	Description
CFX5 25	25L Portable Refrigerator/Freezer
CFX5 35	35L Portable Refrigerator/Freezer
CFX5 45	45L Portable Refrigerator/Freezer
CFX5 55	55L Portable Refrigerator/Freezer
CFX5 75DZ	75L Dual Zone Portable Refrigerator/Freezer
CFX5 95DZ	95L Dual Zone Portable Refrigerator/Freezer

Frequently Asked Questions

How do I know if my control unit has failed?

Common symptoms include: cooler won't power on at all, display is blank or shows error codes, temperature won't adjust or hold, compressor runs continuously or not at all, or intermittent power issues. If your CFX5 cooler shows these symptoms after checking power connections and fuses, the integrated control unit is the likely culprit.

Is this difficult to replace?

The control unit replacement requires removing the cooler's interior liner to access the electronic compartment. You'll need basic hand tools and should disconnect all power sources before beginning. The unit connects via plug-in harnesses, making it a straightforward swap once accessed. Dometic provides service manuals for CFX5 models that detail the replacement procedure.

Will this work with both single and dual-zone CFX5 models?

This control unit is designed for CFX5 series coolers. However, single-zone models (CFX5 25/35/45/55) and dual-zone models (CFX5 75DZ/95DZ) may use different control units due to their different functionality. Verify your exact model number and compare with your existing control unit before ordering to ensure proper compatibility.

Does this include the display screen?

The integrated control unit includes the main circuit board and control electronics. Depending on your CFX5 model configuration, the display may be integrated into this assembly or be a separate component. Check your specific model's parts breakdown to confirm what's included with this control unit for your particular cooler.

Why Choose Elkhart RV Parts?

We specialize in hard-to-find Dometic replacement parts that keep your RV systems running. Located in Elkhart, Indiana—the RV Capital of the World—we understand the importance of getting the right part quickly. We stock genuine OEM Dometic components and provide expert support to help you identify exactly what you need. Fast shipping ensures your CFX5 portable cooler is back in service as soon as possible.