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it likely requires replacement
What type of valves does this actuator support
Terminal connections are simplified via split-spade terminals
Simplified Installation: Standardized mounting bracket and connection points allow for rapid field replacement by contractors
What actuators are compatible with the Belimo B221B valve
Siemens Building Technology GMA156.1P Actuator 320788-703 it likely requires replacementThe Siemens Building Technology GMA156. 1P Actuator is a heavy duty OpenAir GMA Series solution designed for critical airflow control. Engineered for modulating control, this spring return damper actuator delivers 62 lb in (7 Nm) of torque, providing reliable operation for HVAC damper control in VAV systems, return air, and exhaust applications. Operating on 24V AC DC, it features a 2 to 10 Vdc control signal with integrated position feedback and dual
