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This pressure switch is used extensively in Carrier 58 series and Bryant 355 series condensing furnaces
preventing stuck valves during seasonal transitions
This is a normal duty diaphragm
eliminating hunter-cycles in the control loop
while the integrated ignitor and flame sensor components are calibrated for precise HVAC safety control
Trane SEN0391 Thermistor Sensor THPU32HP7Y This pressure switch is usedThe 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
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US$ 80.27
US$ 148.41
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