Schneider Electric (Barber Colman) 2374-401 Relay Els PW 17895 and TQ 20 series parts

and TQ 20 series parts program

This OEM Slant Fin replacement part is calibrated to a fixed

which requires a manual power cycle and diagnostic inspection to clear

While cleaning with a non-conductive abrasive pad can provide a temporary fix for carbon soot

Schneider Electric (Barber Colman) 2374-401 Relay Els PW 17895 and TQ 20 series partsThe Schneider Electric 2374 401 Air Motion Relay, formerly under the Barber Colman brand, is a critical pneumatic component engineered for precise HVAC air pressure sensing and airflow monitoring. Designed to function as a differential pressure switch, this device triggers a pneumatic signal based on the presence or absence of air velocity. It operates with a minimum 0. 15" W. C. setpoint, making it sensitive enough to detect subtle changes in suction