Trane SEN2671 Sensor 321894-708 Always cross-reference the manufacturer’s parts

Always cross-reference the manufacturer’s parts list for your specific model

An open circuit or significant deviation indicates the need for immediate replacement

tripping the thermal overload or circuit breaker

providing reliable airflow detection in both vertical and horizontal duct configurations

A frequent cause of lockout on these boards is a weak ground

Trane SEN2671 Sensor 321894-708 Always cross-reference the manufacturer’s partsThe Trane SEN2671 is a high precision differential pressure sensor engineered for critical airflow monitoring and system diagnostics within commercial and residential HVACR environments. Designed to provide a linear output relative to the pressure across its ports, this 0 5" wc sensor is a standard replacement for ensuring correct static pressure in air handling units and rooftop packages. Operating on a 5VDC supply, the SEN2671 delivers a reliable