The 3/4" orifice provides high flow rates with minimal pressure drop

ensuring your HVAC system shuts down safely when thermal thresholds are exceeded

Its 600 PSI body pressure rating and 200 PSI close-off pressure provide reliable operation in demanding environments

This comprehensive kit often includes a pilot tube and integrated ECO safety features to streamline the swap-out process on the job site

Siemens Building Technology GLB161.1Q Actuator 319852-301 The 3/4" orifice provides highThe Siemens GLB161. 1E (often identified as GLB161. 1Q) is a heavy duty non spring return damper actuator designed for precise modulating control in commercial HVAC systems. Operating on a 24V AC DC power supply, this electronic motor actuator delivers 88 lb in (10 Nm) of torque, making it ideal for managing dampers up to 13 sq. ft. It accepts a standard 0 10VDC control signal for proportional positioning, ensuring stable airflow regulation. The unit