The Amana-Goodman 0131M00849SP is a single-phase, 1/3 horsepower, 3-speed indoor blower motor that is widely used in domestic heating, ventilation, and air conditioning HVAC systems. Its purpose is to move air around in the ventilation ductwork so that the temperature and airflow are constant throughout. https://www.partshnc.com/0131m00849sp-amana-goodman-208-230v1ph-13hp-910rpm-3spd