Description
The Mitsubishi U01A09308 is a genuine OEM indoor coil thermistor engineered specifically for Mitsubishi mini-split and ductless HVAC systems. This thermistor plays a critical role in monitoring the temperature of the indoor evaporator coil, providing real-time feedback to the system’s control board to regulate refrigerant flow, prevent freeze-ups, and maintain efficient, consistent comfort.
Key Features
- Genuine Mitsubishi OEM replacement part — ensures exact fit and reliable performance
- Monitors indoor evaporator coil temperature for precise system control
- Helps prevent coil freeze-up and protects system components from damage
- Supports efficient refrigerant management and optimal energy performance
- Direct drop-in replacement — no modifications required
- Compatible with select Mitsubishi mini-split and ductless HVAC systems
Why Replace Your Indoor Coil Thermistor?
A faulty indoor coil thermistor can cause a wide range of operational issues, including erratic temperature control, system error codes, short cycling, and reduced efficiency. Replacing a worn or failed thermistor with a genuine Mitsubishi OEM part restores accurate temperature sensing and ensures the control board receives the correct signals to operate the system safely and efficiently.
Application
- Designed for use in Mitsubishi mini-split and ductless HVAC systems
- Consult your equipment’s service manual or parts list to confirm compatibility with your specific model
Installation Notes
Installation should be performed by a qualified HVAC technician. Always disconnect power to the unit before servicing. Refer to the Mitsubishi service documentation for proper thermistor placement and connection procedures.







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