Siemens Building Technology GVD321.1U Actuator 318973-401 If the motor is humming

If the motor is humming but not spinning

allowing for maximum fluid and gas throughput in large-scale piping systems

This industrial solenoid valve utilizes a 5/32" port orifice to manage flow rates effectively

the 5441H motor includes specific lead-end mounting holes designed to match Rheem and Trane bolt patterns

ensuring exact connector alignment

Siemens Building Technology GVD321.1U Actuator 318973-401 If the motor is hummingThe Siemens Building Technology GVD321. 1U Actuator is a high torque, electronic solution purpose built for 2 position control in UL listed fire and smoke damper applications. Engineered for the rigors of life safety systems, this 230V spring return actuator delivers a robust 200 lb in of torque, ensuring positive closure and opening of high resistance dampers in commercial HVAC environments. Operating with a 30 second nominal drive time and a 15