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this direct OEM replacement board manages critical furnace cycles
the 11-1/2 inch lead length offers the necessary slack for clean routing through original wire paths
this SPDT temperature switch features an automatic reset function and a wide control range of 60°F to 140°F (often cited as 75/140°F in specific line-voltage setups)
Facilitates sensor maintenance and hot-swapping without depressurizing the hydronic loop
Vibration Dampening: The precision-stamped design minimizes resonance
Trane SEN0391 Thermistor Sensor 319848-301 this direct OEM replacement boardThe Trane SEN0391 Thermistor Sensor is a high precision OEM replacement part engineered for critical temperature monitoring in commercial and residential HVAC systems. Designed to interface directly with the system control board, this NTC (Negative Temperature Coefficient) thermistor provides real time resistance feedback to manage discharge air, outdoor ambient, or liquid line temperatures. By delivering accurate thermal data, the SEN0391 allows the
