MRCOOL® Authorized Dealer
Authorized Dealer
Genuine OEM Replacement Parts

Cross Flow Fan for MRCOOL Ductless Wall-Mounted Air Handler – DIY & Advantage Series 36K Replacement Fan

Brand MRCOOL®
MRCOOL® PART NUMBER 12100102000084
Regular price $138.02
Sale price $138.02 Regular price $156.78
You Save: $18.76
SALE Sold out
!
Compatibility matters. Replacement parts are model-specific. Images may be stock photos, and small visual differences may exist between production batches. Verify your model number, serial number, and existing part before placing an order.
Currently Out of Stock
This replacement part is currently unavailable. Contact us for availability or compatibility help.

Not Sure This Is The Correct Part?

Send us your indoor unit model number, serial number, and photos of the existing part before ordering. This helps us verify compatibility and reduce the chance of ordering the wrong replacement part.

Ensure powerful, consistent airflow from your MRCOOL ductless mini-split system with the Cross Flow Fan for 36K Wall-Mounted Air Handlers. Designed specifically for MRCOOL DIY and Advantage Series 36K units, this high-quality replacement fan helps maintain peak system performance, energy efficiency, and indoor comfort.

Whether your existing fan is worn, noisy, or damaged, this replacement restores optimal airflow and smooth operation, supporting reliable heating and cooling in large residential or commercial spaces.


Key Features

Perfect Compatibility

Designed to fit MRCOOL ductless wall-mounted 36K air handler models, ensuring a precise fit and reliable performance.

Enhanced Airflow Performance

Engineered for strong, even air distribution, helping maintain stable temperatures throughout your space.

Durable, High-Quality Construction

Built from premium materials to endure continuous HVAC operation and deliver long-lasting performance.

Quiet & Smooth Operation

Crafted to minimize vibration and noise, providing comfortable, whisper-quiet indoor airflow.

Simple, Fast Installation

Allows straightforward replacement with minimal downtime, getting your system back to peak condition quickly.


🔧 Specifications

  • Compatible Models: MRCOOL DIY & Advantage 36K Wall-Mounted Air Handlers

  • Part Type: Cross Flow Fan

  • Material: High-strength, long-lasting construction

  • Function: Provides consistent, efficient, and quiet airflow

  • Product Dimensions:

    • Height: 4.53 in

    • Length: 38.98 in

    • Width: 4.53 in


🛠 Installation Instructions

  1. Power Off the System
    Disconnect all power to the air handler before beginning service.

  2. Remove the Air Handler Cover
    Access the internal components, including the existing cross flow fan.

  3. Remove the Old Fan
    Detach mounting screws and wiring (if applicable), then carefully slide out the old fan.

  4. Install the New Fan
    Position the replacement fan in the same location, secure it, and reconnect all wiring or brackets.

  5. Reassemble & Test
    Replace the cover, restore power, and turn on the unit to confirm smooth, efficient airflow.

Maintain the performance and comfort of your MRCOOL ductless wall-mounted air handler with the Cross Flow Fan for 36K models. Offering reliable airflow, quiet operation, and durable construction, this replacement fan ensures your HVAC system continues delivering the efficiency and comfort you expect from MRCOOL.

Disclaimer: This replacement fan is also used across many other brands and models. If you’re not certain it fits your unit, please reach out before ordering.

Confirmed Fitment

No confirmed fitment models have been added yet. Verify compatibility before ordering.

Part Details

Part CategoryIndoor Air Handler Parts
Part TypeCross Flow Fan
BrandMRCOOL®
MRCOOL® Part Number12100102000084
Also Known As
  • Cross Flow Fan
  • Squirrel Cage Fan
  • Indoor Blower Wheel
  • Barrel Fan
  • Indoor Fan Drum
  • Indoor Air Handler Fan
  • Air Distribution Fan

Common Symptoms

This replacement part may be needed if your system is experiencing any of the following issues:

  • Weak airflow
  • Reduced cooling performance
  • Reduced heating performance
  • Grinding or rubbing noises
  • Fan vibration
  • Uneven airflow
  • Indoor fan not rotating properly
  • Excessive operating noise

Installation Notes

This replacement part should be installed by a qualified technician or a capable installer familiar with mini split service procedures. Always disconnect power before servicing HVAC equipment.

No Q&A content has been added for this replacement part yet.

FAQMRCOOL DIY Direct

Frequently Asked Questions About HVAC & Mini Split Replacement Parts

Quick answers to common questions about sizing, installation, and choosing the right MRCOOL DIY system.

How Do I Know If This Replacement Part Fits My HVAC System?

The best way to verify compatibility is by checking the model number and serial number of your HVAC system before ordering. Many replacement parts can fit multiple models, generations, or product series, while others are designed for specific units only. Model numbers are typically found on the equipment data plate located on the indoor air handler, outdoor condenser, or inside the service panel. If you are unsure, contact our team with your model number and photos of the existing part for compatibility verification.

Where Can I Find My Mini Split Model Number?

Most mini split model numbers can be found on the manufacturer data label attached to the indoor air handler or outdoor condenser. The label typically includes the model number, serial number, electrical specifications, refrigerant type, and manufacturing information. Providing this information helps ensure you receive the correct replacement part for your system.

Are OEM HVAC Replacement Parts Better Than Aftermarket Parts?

OEM (Original Equipment Manufacturer) replacement parts are designed to meet the exact specifications of the original equipment. Using genuine OEM parts helps ensure proper fitment, reliable operation, and long-term system performance. Aftermarket parts may not always meet the same design standards, which can result in compatibility or performance issues.

Can HVAC Replacement Parts Fit Multiple Models or Generations?

Yes. Many HVAC replacement parts are used across multiple models, capacities, and generations of equipment. However, compatibility can vary based on manufacturing revisions, electrical requirements, control board versions, and system design changes. Always verify compatibility before ordering any replacement component.

What Are the Most Commonly Replaced Mini Split Parts?

Some of the most commonly replaced mini split components include blower motors, cross flow fans, control boards, temperature sensors, remote controls, fan bearings, drain pumps, louvers, and communication modules. Replacing worn or failed components can help restore proper heating, cooling, airflow, and system efficiency.

Can I Replace HVAC Parts Myself?

Some replacement parts can be installed by experienced homeowners, while others should be installed by a qualified HVAC technician. Electrical components, refrigerant-related parts, and advanced control systems may require specialized tools, training, or safety procedures. Always follow manufacturer instructions and local codes when servicing HVAC equipment.

What Can Cause A Mini Split To Stop Heating Or Cooling Properly?

Poor heating or cooling performance can be caused by several issues, including failed blower motors, damaged fan assemblies, faulty sensors, defective control boards, airflow restrictions, dirty filters, refrigerant issues, or communication errors between system components. Proper troubleshooting is recommended before replacing any part.

How Can I Verify The Correct Replacement Part Before Ordering?

To verify compatibility, gather your equipment model number, serial number, and clear photos of the existing component. This information allows our team to compare your system with manufacturer specifications and help identify the correct replacement part for your equipment.

Can Replacement HVAC Parts Be Returned?

Return eligibility varies depending on the type of part and its condition. Electrical components, control boards, special-order items, and installed parts may be subject to specific return restrictions. Please review the current return policy before ordering and contact us with any questions regarding part eligibility.

How Long Do Mini Split Components Typically Last?

The lifespan of HVAC components depends on operating conditions, maintenance, installation quality, and environmental factors. Many motors, fans, sensors, and electronic components can provide years of reliable service when properly maintained. Regular cleaning, inspection, and preventive maintenance can help extend the life of your HVAC system and its replacement parts.