MRCOOL® Authorized Dealer
Authorized Dealer
Genuine OEM Replacement Parts

PCB Main Control Board Assembly for MRCOOL MAH14030 Indoor Air Handler

Brand Air Handler Control Board
MRCOOL® PART NUMBER BRD05765
Regular price $297.67
Sale price $297.67 Regular price $338.13
You Save: $40.46
SALE Sold out
✓ Confirmed Fitment

Fits These MRCOOL® Models

  • MAH14030

This part may fit other MRCOOL® models or generations. Always verify your model number before ordering.

!
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.
In Stock & Ready to Ship
1 available through our authorized parts inventory network

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.

Upgrade or replace the heart of your MRCOOL indoor air handler with the PCB Main Control Board Assembly, expertly crafted for the MRCOOL MAH14030 Indoor Air Handler. This vital component is designed to manage and regulate your system’s performance, ensuring precise control and reliable operation. Whether you’re dealing with fluctuating temperatures or needing enhanced system diagnostics, this PCB board offers the advanced circuitry needed to maintain smooth and efficient operation of your HVAC unit.

The PCB Main Control Board Assembly is engineered to control key functions, including temperature settings, fan speeds, and system diagnostics, giving you total control over your indoor climate. Built for durability and long-lasting use, it ensures your air handler operates at peak efficiency, providing comfort and energy savings for your home or business.

As the USA’s number one MRCOOL dealer, MRCOOL DIY Direct ensures that when you buy from us, you’re not only getting genuine MRCOOL parts but also enjoying the benefits of fast shipping, exceptional customer service, and reliable support for all your HVAC needs.

Key Features:

  • Perfect Compatibility: Designed specifically for the MRCOOL MAH14030 Indoor Air Handler, ensuring seamless integration and performance.

  • Advanced Control: Offers precise management of temperature settings, fan speeds, and system diagnostics to keep your HVAC system running at optimal efficiency.

  • Durable and Reliable: Built with high-quality materials for long-term use, enhancing the longevity and performance of your air handler.

  • Easy Replacement: Engineered for straightforward installation, making it simple for professionals or DIY enthusiasts to upgrade or replace the control board quickly.

This control board may also be compatible with other MRCOOL models, but we recommend verifying model compatibility before purchasing to ensure a proper fit.

Important Notes:

  • Images may be stock photos, and the actual product may vary slightly in appearance.

  • SKU: SHBRD05765

Purchase the PCB Main Control Board Assembly from MRCOOL DIY Direct, the trusted source for all things MRCOOL, and enjoy the peace of mind that comes with buying from the USA’s top MRCOOL dealer!

Confirmed Fitment

Known Compatible Models / Series
  • MAH14030
Compatibility Notice This part may fit other MRCOOL® models and generations. Compatibility outside the listed models is not guaranteed without verification.

Part Details

Part CategoryIndoor Air Handler Electronics
Part TypeIndoor Control Board
BrandAir Handler Control Board
MRCOOL® Part NumberBRD05765
Also Known As
  • Indoor Control Board
  • Indoor PCB
  • Air Handler Control Board
  • Indoor Main Board
  • Circuit Board
  • Electronic Control Module

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.

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.