Manufacturer Name: Utica-Dunkirk Product Number: AC-3940-27 OEM Part Number: AC-3940-27 The Utica-Dunkirk AC-3940-27 120V Inducer Motor Assembly is a crucial component in HVAC systems, specifically designed to efficiently expel combustion gasses from furnaces. This part removes air from the combustion chamber and vents it outside. https://www.partshnc.com/ac-3940-27-utica-dunkirk-120v-inducer-motor-assy