Mr. Cool 2-3 Ton & 4-5 Ton Universal Series Air Handler Control Board
Fits These MRCOOL® Models
- 2-3 Ton Universal Series
- 4-5 Ton Universal Series
This part may fit other MRCOOL® models or generations. Always verify your model number before ordering.
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 the optimal performance and longevity of your MRCOOL Universal Air Handler with this genuine MRCOOL replacement control board. This essential component is meticulously engineered to support the efficient operation of your 2-3 ton or 4-5 ton high ESP air handler, ensuring your MRCOOL heat pump split system runs seamlessly in all seasons. Designed to MRCOOL’s high standards, this control board provides dependable functionality and compatibility for residential heating and cooling solutions.
Key Features
Genuine MRCOOL Replacement Part:
This control board is an authentic MRCOOL part, specifically crafted to integrate smoothly with your MRCOOL Universal Air Handler, delivering reliable performance and protecting the integrity of your system.
Wide Model Compatibility:
Compatible with MRCOOL 2-3 ton universal high ESP air handlers (model MDUI180**E) as well as the robust 4-5 ton systems, this control board covers a range of models, ensuring you find the exact fit for your system’s needs.
Built to Last:
Manufactured to MRCOOL’s rigorous standards, this control board is engineered for durability and optimized for peak efficiency, helping maintain your system’s performance while extending its lifespan.
Installation Guidance for Optimal Performance:
- 2-3 Ton Systems: When replacing the control board, reuse the #3 jumper cap from your existing board to maintain proper operation.
- 4-5 Ton Systems: For compatibility with larger systems, be sure to reuse the current jumper cap if the new board is identical to the old one. Incorrect jumper cap installation may lead to system malfunctions or potential damage.
Important Ordering and Installation Notes
- Images and Product Representation: Images may be for illustration purposes only and may not represent the exact product. Always double-check the part number and model specifications to confirm compatibility with your system.
- Final Sale on Control Boards: All sales on control boards are final. Please verify that you have selected the correct board for your model before placing your order to avoid any compatibility issues.
Buy with Confidence from the USA’s Most Trusted MRCOOL Dealer:
When you purchase from MRCOOL DIY Direct, you’re choosing a reliable partner dedicated to providing premium HVAC solutions and genuine replacement parts for your home.
Confirmed Fitment
| Known Compatible Models / Series |
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|---|---|
| Compatibility Notice | This part may fit other MRCOOL® models and generations. Compatibility outside the listed models is not guaranteed without verification. |
Part Details
| Part Category | Indoor Air Handler Electronics |
|---|---|
| Part Type | Indoor Control Board |
| Brand | Universal Series Control Board |
| MRCOOL® Part Number | 300002062550 |
| Also Known As |
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Common Symptoms
This replacement part may be needed if your system is experiencing any of the following issues:
- Indoor unit not powering on
- Display not functioning
- Communication errors
- Unresponsive controls
- Random shutdowns
- Error codes
- Intermittent operation
- Loss of remote communication
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.
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