This SIEMENS Valve Actuator Building Automation HVAC Ac/DC Part Replacement Vent Work is perfect for those who need a reliable and efficient valve actuator. It is made by SIEMENS INDUSTRY and has a SAS61 .03 U model with a controller platform of Automate. This product is ideal for businesses in the industrial automation and motion controls industry, specifically for PLCs and HMIs. With this valve actuator, you can ensure that your HVAC system runs smoothly, making your work environment more comfortable and efficient.