The Dometic 4450028172 DC 12V Ventilation Fan is a critical cooling component designed specifically for Dometic NRX110 and NRX140 absorption refrigerators. This OEM replacement fan ensures proper air circulation around the cooling unit, preventing overheating and maintaining optimal refrigerator performance in your RV. If your refrigerator isn't cooling efficiently or you've noticed the fan has stopped working, this is the exact replacement part you need.

Key Features

• OEM Dometic Part: Genuine factory replacement ensures perfect fit and reliable performance
• 12V DC Operation: Runs directly off your RV's 12-volt DC system for efficient power consumption
• Essential Cooling Component: Maintains proper ventilation to prevent cooling unit failure
• Direct Replacement: Designed specifically for NRX110 and NRX140 refrigerator models
• Easy Installation: Mounts in the original fan location with existing hardware
• Prevents Costly Repairs: Proper ventilation extends the life of your refrigerator's cooling unit

Technical Specifications

Part Number	4450028172
Voltage	12V DC
Application	Refrigerator Ventilation
Part Type	Cooling Fan Assembly

Compatible Models

Model Number	Description
NRX110	Dometic Absorption Refrigerator
NRX140	Dometic Absorption Refrigerator

Frequently Asked Questions

How do I know if my ventilation fan needs replacement?

Signs of a failing ventilation fan include the refrigerator not cooling properly, the fan making unusual noises or not running at all, and the cooling unit area feeling excessively hot. If you notice any of these symptoms, the ventilation fan should be inspected and replaced if necessary.

Can I install this fan myself?

Yes, most RV owners with basic mechanical skills can replace this fan. The installation typically involves accessing the exterior refrigerator vent, disconnecting the old fan's power connection, removing mounting screws, and installing the new fan in reverse order. Always disconnect power before working on any electrical component.

Will this fan work with my NRX refrigerator running on propane?

Yes, this 12V DC fan operates independently of your refrigerator's heat source. Whether your NRX refrigerator is running on propane, AC power, or DC power, this ventilation fan draws power from your RV's 12-volt system to provide continuous cooling airflow around the absorption cooling unit.

How important is the ventilation fan for my absorption refrigerator?

The ventilation fan is critical for absorption refrigerator performance, especially in hot weather or when parked. Without proper airflow, the cooling unit can overheat, leading to reduced cooling efficiency or complete failure. A working ventilation fan can prevent expensive cooling unit replacement and extend your refrigerator's lifespan.

Why Choose Elkhart RV Parts?

At Elkhart RV Parts, we specialize in hard-to-find Dometic refrigerator components like this ventilation fan. Located in Elkhart, Indiana — the RV capital of the world — we understand the importance of keeping your RV refrigerator running reliably. We stock genuine OEM Dometic parts and ship fast so you can get back on the road quickly. Our team of RV parts experts is available to help you identify the right part and answer any installation questions.