Siemens Building Technology GVD126.1U Actuator R-448A or a motor shaft that

or a motor shaft that does not spin freely by hand

it ensures optimal airflow and cooling during continuous operation

This dual-stage vacuum pump features a robust 3/4 HP DC motor that maintains consistent torque across high pressures

Standardized Fit: Sized for 5/32" (4mm) OD polyethylene pneumatic tubing

Does it include the capacitor

Siemens Building Technology GVD126.1U Actuator R-448A or a motor shaft thatThe Siemens Building Technology GVD126. 1U is a high torque 24V fire and smoke damper actuator engineered for precise two position control in critical life safety HVAC systems. Delivering 200 lb in torque, this rotary electronic actuator is specifically designed for integration with UL listed smoke control dampers and combination fire smoke dampers, ensuring compliance with UL555 and UL555S standards. Its robust construction features a NEMA 1 rated