Trane SEN2501 Pressure Sensor 320788-704 often caused by restricted airflow

often caused by restricted airflow or blower motor failure

Zero Leakage: Internal seals provide a bubble-tight shutoff at high differential pressures

Is the A17938 compatible with R410A systems

Common Contractor Questions What are the symptoms of a failing Lennox 36W49 pressure switch

Trane SEN2501 Pressure Sensor 320788-704 often caused by restricted airflowThe Trane SEN2501 is a critical OEM wind pressure sensor designed for high precision monitoring of differential air pressure within Trane air handlers and furnaces. As a direct cross reference for part NS2 1176 02, this component ensures your system maintains the exact airflow parameters required for efficient combustion and heat exchange. In the field, technicians rely on the SEN2501 pressure switch to provide real time feedback to the control board,