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

⚠️ 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.