Quick answers to questions about ordering, compatibility, and installation.
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.
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
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.
Quick answers to questions about ordering, compatibility, and installation.
Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.
Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.
Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.
Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.
Yes. Our support team can assist with product selection based on your application, space, and installation needs.
Manufacturer installation guides and documentation are included or available upon request for most products.
Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.
Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.
Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.
Get help with ordering, compatibility, or installation questions.
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