The Dometic 264400152 AC Blower Assembly is a genuine OEM replacement component designed specifically for Dometic AT24HVZ-MU air conditioning units. This 6-inch MR (Motor Reversed) blower assembly is the heart of your RV's cooling system, circulating conditioned air throughout your living space. If your AC is running but producing weak airflow, making unusual noises, or not cooling effectively, this blower assembly is likely the solution you need.

Key Features

• Genuine Dometic OEM Part: Factory-engineered for perfect fit and reliable performance in Dometic air conditioning systems
• 6-Inch MR Configuration: Motor Reversed design ensures proper airflow direction for your specific AC model
• Complete Assembly: Includes motor, blower wheel, and mounting hardware for straightforward installation
• Direct Replacement: Designed specifically for AT24HVZ-MU units, eliminating compatibility guesswork
• Durable Construction: Built to withstand the vibration and temperature extremes of RV travel
• Restores Cooling Performance: Returns your air conditioner to factory-specified airflow and efficiency

Technical Specifications

Part Number	264400152
Blower Size	6 inches
Motor Configuration	MR (Motor Reversed)
Component Type	Complete Blower Assembly
Application	Dometic RV Air Conditioning

Compatible Models

Model Number	Description
AT24HVZ-MU	Dometic Air Conditioner

Frequently Asked Questions

How do I know if my blower assembly needs replacement?

Common signs include weak or no airflow from vents even when the AC is running, unusual grinding or squealing noises from the ceiling unit, the AC cycling on and off frequently, or the unit running but not cooling effectively. If your thermostat shows the AC is on but you feel minimal air movement, the blower assembly is the most likely culprit.

What does "MR" mean and why does it matter?

MR stands for "Motor Reversed," which refers to the direction the motor shaft rotates and how the blower wheel is mounted. This configuration determines the direction of airflow through your AC unit. Using the wrong configuration (MR vs. standard) will result in improper airflow and poor cooling performance, so it's critical to match your original part specification.

Can I install this blower assembly myself?

Many RV owners with basic mechanical skills can replace a blower assembly. You'll need to access the interior of your rooftop AC unit (typically by removing the ceiling assembly inside your RV), disconnect the electrical connections, remove the mounting hardware, and reverse the process with the new assembly. Always disconnect power at the breaker before beginning work, and consult your AC unit's service manual for specific instructions.

Will this fit other Dometic air conditioner models?

This blower assembly is specifically engineered for the AT24HVZ-MU model. While some Dometic AC units may appear similar, blower assemblies vary by motor configuration, wheel size, and mounting specifications. Using the wrong blower can result in poor performance or damage to your AC unit. Always verify your exact model number before ordering.

Why Choose Elkhart RV Parts?

At Elkhart RV Parts, we specialize in hard-to-find Dometic replacement components that keep your RV systems running smoothly. 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 parts and provide expert support to help you identify exactly what you need. When your RV's comfort systems need attention, trust the specialists who know Dometic inside and out.