Description
The Mitsubishi E27319307 is an OEM pipe temperature thermistor engineered as a direct replacement for select Mitsubishi mini-split and heat pump systems. This sensor monitors refrigerant line temperatures, providing critical feedback to the system control board to regulate heating and cooling cycles, protect against freeze-up, and optimize overall system efficiency.
Key Features
- OEM Mitsubishi replacement part — ensures precise fit and compatibility
- Monitors pipe/refrigerant line temperatures for accurate system control
- Enables the control board to regulate compressor and fan operation
- Helps protect the system against freeze-up and overheating conditions
- Supports reliable, energy-efficient performance in mini-split and heat pump applications
- Direct plug-in replacement — no modification required
Application
Designed for use in Mitsubishi Electric mini-split air conditioning and heat pump systems, the E27319307 thermistor is a critical sensing component that feeds real-time pipe temperature data to the system’s main control board. A failed or out-of-tolerance thermistor can result in error codes, improper cycling, or system shutdown — making timely replacement essential to restoring full system operation.
Why Choose OEM?
- Guaranteed compatibility with Mitsubishi system electronics
- Maintains factory calibration and temperature accuracy
- Reduces risk of repeat failures associated with aftermarket alternatives
- Supports warranty compliance on applicable systems







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