A faulty SEN0391 often results in inaccurate temperature reporting at the thermostat

potentially causing the high-limit switch to trip

this side-mount auxiliary switch provides the necessary feedback for complex interlocking circuits and motor starter configurations

It is the official replacement

ensuring a secure fit on standard motor shafts to minimize vibration and bearing wear

Auburn E5-232H-2PK Electrode 322057-301 A faulty SEN0391 often resultsThe Auburn E5 232H 2PK Electrode is a high performance HVAC ignition component engineered for precision and long term durability in industrial heating systems. This Dravo Electrode 2PK serves as the official direct replacement for E5 232H, providing a seamless fit and reliable operation for Dravo burners and similar combustion equipment. Designed to meet rigorous HVAC industrial standards, these electrodes facilitate consistent igniter flame sensing