Replacement Transformer 17400306000058 Compatible with MRCOOL Split Systems & More OEM Dual-Output Transformer | 220V Input | 11V & 24V Outputs

Restore your hvac system’s performance with the Genuine MRCOOL Replacement Transformer (Part #17400306000058). Specifically engineered for 18,000 BTU, 24,000 BTU, and 36,000 BTU MRCOOL models, this dual-voltage transformer powers vital control boards and circuitry, ensuring reliable operation of your HVAC system.

If your unit is experiencing issues like no display, power failure, or won’t start—this transformer is the most common and effective solution.

✅ Key Features

• Genuine OEM Replacement – Designed to meet original MRCOOL factory specifications

• Dual-Output Design – Supplies 11V and 24V for control and logic board operations

• Compatible With 18k, 24k, 36k BTU Models – Exact fit for multiple MRCOOL systems

• Also Fits Other Brands – Used in Midea, Carrier, Lennox, and other models

• Durable, High-Quality Construction – Built to handle long-term use and voltage fluctuations

• Plug-and-Play Installation – Pre-wired leads for easy swap and quick restoration

⚠️ Important Notes

• 🔍 Check Compatibility: Match your model number and original part before purchasing

• 🧰 Not Returnable if Installed: Electrical parts are final sale once mounted

• ⚡ Professional Installation Recommended: Ensure safe handling and accurate wiring

📊 Product Specifications