Restore reliable performance with the Electronic Control Box Subassembly, designed specifically for the MRCOOL DIY 18K BTU Heat Pump Condenser (Model: DIY-18-HP-C-230B). This genuine MRCOOL OEM part ensures proper control of compressor operation, fan motor function, and refrigerant cycling—vital for keeping your DIY system running smoothly.

Whether you're a homeowner tackling your own repair or an HVAC pro, this pre-assembled component makes replacement quick and straightforward.

Key Features:

• OEM MRCOOL Replacement Part – Guaranteed fit for model DIY-18-HP-C-230B
• Fully Integrated Assembly – Includes main control board and protective housing
• Restores Full System Functionality – Communicates with other system components for efficient operation
• DIY Friendly – Engineered for simple installation with basic tools
• Tested & Certified – Built to MRCOOL safety and quality standards

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⚠️ Important Notes:

• Images may be stock photos for illustrative purposes and may not show the exact part configuration.
• This item is non-returnable per our electrical and electronic components return protocol. Please confirm model compatibility before purchasing.
• Compatible only with MRCOOL DIY-18-HP-C-230B (4th Generation Condenser)

Get your MRCOOL system back to peak performance with this direct replacement control box—in stock and ready to ship.