Siemens Building Technology GCA166.1U Actuator 326058-758 you can upgrade from a

you can upgrade from a lower VA rating to a higher one like this 40VA unit

preventing the erratic HVAC error codes often associated with generic aftermarket alternatives

Always refer to your specific model's wiring diagram to ensure proper resistance values are maintained

and high-grade O-rings

This OEM actuator repair solution includes high-grade elastomers and friction-reducing bearings necessary to resolve internal bypass and shaft leakage

Siemens Building Technology GCA166.1U Actuator 326058-758 you can upgrade from aThe Siemens GCA166. 1U is a heavy duty OpenAir spring return actuator engineered for precise modulating control of HVAC dampers in commercial building automation systems. Operating on 24V AC DC, this unit delivers a robust 142 lb in torque (rated up to 160 lb in in specific applications) to manage large damper areas effectively. It utilizes a 0 10VDC control signal for linear positioning and features dual auxiliary switches for end stop monitoring or