The Trane BLW1311 Inducer Blower is a high-speed combustion air blower designed for Trane furnaces to ensure proper venting and safe burner operation. Operating at 3480 RPM and 208–230V/1PH, it works by pulling combustion gases through the heat exchanger and directing them out of the system, maintaining correct airflow and pressure. https://www.partshnc.com/inducerblower-208230v1ph3480-5