Siemens Combustion SQM56.680R1Z3 Control Valve Actuator 8-Switch No Shaft 50 SEC 350 lb-In 120V

The Siemens Combustion SQM56.680R1Z3 Control Valve Actuator is designed to provide modulation for HVAC combustion systems to achieve better results and efficiency. It accurately positions control valves using an 8-switch configuration. It is operated by 120V and produces 350 lb-in torque with a 50-second run time to control the flow of fuel or air in burners and boilers. This actuator is widely applied in commercial HVAC system heating units and provides stable performance in the combustion process. It improves energy utilization, minimizes emissions, and maintains stability in temperature control.