Trane SEN1447 Sensor 321042-401 As a critical mechanical replacement

As a critical mechanical replacement for the legacy 31J9101

maintaining the original equipment manufacturer’s pressure drop specifications and flow coefficients

As a direct replacement for 100108278

Enhanced System Reliability: Promotes stable flame signals and prevents nuisance pressure switch trips

Common Questions Is the blower wheel included with the Reznor 148057

Trane SEN1447 Sensor 321042-401 As a critical mechanical replacementThe Trane SEN1447 is a mission critical 10k Ohm thermistor designed for precise HVAC zone control. Built to interface seamlessly with Trane and American Standard systems, this wired sensor enables local temperature adjustments via a rugged integrated dial. As a standard 10kOhm zinc sulfide sensor, it provides high accuracy resistance values to your building automation or unit controller, ensuring stable setpoint communication without the signal drift