Replacement Cross Flow Fan for MRCOOL 18K BTU Wall Mount Mini Split Air Handler

Restore proper airflow and cooling performance with this genuine replacement cross flow fan for select MRCOOL wall-mounted mini split air handlers. The cross flow fan, sometimes referred to as a blower wheel or indoor fan drum, is responsible for distributing conditioned air evenly throughout your space while maintaining efficient system operation.

This replacement fan is commonly associated with the MRCOOL Olympus Series 18K BTU wall-mounted air handler model O-18-HP-WMAH-230A. It may also fit other MRCOOL models, generations, and compatible wall-mounted indoor units. Always verify compatibility before ordering.

Known Compatible Models

Brand	Series	Indoor Unit Type	Model Number
MRCOOL	Olympus Series	Wall Mount Air Handler	O-18-HP-WMAH-230A
MRCOOL	Additional Compatible Models	Wall Mount Air Handler	May fit other MRCOOL models and generations. Verification required.

Product Specifications

Product Type	Cross Flow Fan
Alternative Names	Blower Wheel, Indoor Fan Drum, Tangential Fan
Brand	MRCOOL
Application	Wall Mounted Mini Split Air Handler
Capacity	18K BTU
Condition	New Replacement Part

Common Signs of a Failed Cross Flow Fan

• Reduced airflow from the indoor unit
• Uneven air distribution throughout the room
• Excessive vibration or unusual noises
• Damaged or cracked blower wheel assembly
• Decreased cooling or heating performance

Key Features

• Genuine replacement component designed for select MRCOOL indoor air handlers.
• Helps restore proper airflow and system efficiency.
• Supports consistent heating and cooling performance.
• Designed to fit compatible wall-mounted mini split systems.
• Backed by MRCOOL's manufacturer warranty.

Important Compatibility Notice

MRCOOL replacement parts are model-specific. This cross flow fan is known to be compatible with the MRCOOL Olympus Series O-18-HP-WMAH-230A wall-mounted air handler and may fit additional models or generations. Compatibility with units not specifically listed should always be verified before ordering.

Images shown may be stock photos and are for illustrative purposes only. Actual product appearance may vary slightly from the image shown.

Need Help Verifying Compatibility?

Our team can help confirm compatibility before you purchase. Please provide your model number, serial number, and photos of your existing part when contacting customer support.

Purchase genuine MRCOOL replacement parts from MRCOOL DIY Direct, a trusted source for MRCOOL mini split systems, replacement components, and HVAC equipment throughout the United States.