A.J. Antunes 8021203090 Pressure Switch Els PW 17895 this Trane OEM part is

this Trane OEM part is designed to work with common high-pressure refrigerants used in industrial chiller applications

or if it lights and immediately shuts down because the flame isn't sensed

preventing heat exchanger damage and system overheating

eliminating the need for wiring modifications in existing 2-wire or 3-wire configurations

A.J. Antunes 8021203090 Pressure Switch Els PW 17895 this Trane OEM part isThe A. J. Antunes 8021203090 Pressure Switch is a professional grade air differential pressure switch designed for precision monitoring in HVAC and industrial air handling systems. This Model SMD unit features a versatile operating range of 0. 17" to 6" WC (Water Column), allowing technicians to accurately calibrate set points for proof of airflow and filter static pressure drop. Engineered with a Single Pole Double Throw (SPDT) contact configuration,