Description
Mitsubishi R61103200 Intake Thermistor Th21/Th1 Overview
The Mitsubishi R61103200 is a genuine OEM intake thermistor (Th21/Th1) designed as a direct replacement for select Mitsubishi mini-split and ductless HVAC systems. This thermistor monitors the temperature of return air entering the indoor unit, providing the system’s control board with the accurate data it needs to regulate operation, maintain comfort, and protect equipment from temperature extremes.
Key Features
- Genuine Mitsubishi OEM replacement part — ensures proper fit and compatibility
- Functions as the Th21/Th1 intake air thermistor for precise return-air temperature sensing
- Delivers accurate temperature readings to the indoor unit’s control board for efficient system operation
- Helps maintain consistent comfort levels by enabling proper compressor and fan speed modulation
- Restores full system functionality when a faulty thermistor causes error codes or erratic operation
- Durable construction engineered to withstand continuous indoor HVAC operating conditions
Application
The R61103200 intake thermistor is intended for use in compatible Mitsubishi Electric mini-split and ductless indoor air handling units. It is a direct OEM replacement for the Th21/Th1 thermistor position. Always verify compatibility with your specific model number before installation.
Why Choose a Genuine OEM Thermistor?
Using a genuine Mitsubishi replacement thermistor ensures the sensor’s resistance-temperature curve matches the original factory specification. Aftermarket substitutes may produce inaccurate readings, leading to system inefficiency, comfort complaints, or recurring fault codes. The R61103200 eliminates guesswork and restores your system to factory performance standards.
Installation Notes
- Disconnect power to the indoor unit before servicing
- Carefully unplug the existing thermistor connector from the control board
- Route the new thermistor in the same position as the original
- Reconnect power and verify normal system operation; clear any stored fault codes as needed
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