Manufacturer Name: Honeywell Product Number: MS4120A1209 OEM Part Number: MS4120A1209 Product Description: 120V Dca S/R 2-Pos 175# W/2Aux Weight:7.63lbs/3460.91g The Honeywell MS4120A1209 is a powerful actuator built for muscle and reliability. This 120V direct current (DC) unit delivers 175 lb-in of torque, effortlessly controlling dampers in various HVAC systems. https://www.partshnc.com/120v-dca-sr-2-pos-175-w2aux-2