Siemens Building Technology GCA131.1U Actuator 320720-756 Always verify the valve stem

Always verify the valve stem diameter and series prefix before installation

The Johnson Controls A70GA-2 Temperature Control is a heavy-duty

it matches original equipment tolerances for noise reduction and airflow

as American Standard is a Trane brand

the inducer is likely compromised

Siemens Building Technology GCA131.1U Actuator 320720-756 Always verify the valve stemThe Siemens Building Technology GCA131. 1U Actuator is a heavy duty spring return rotary damper actuator designed for the digital or analog control of building HVAC dampers. Operating on 24VAC DC, this OpenAir series component delivers 160 lb in (18 Nm) of torque, making it suitable for larger air handling units, mixed air, and exhaust dampers. This model features 3 point floating control and a 90 second nominal runtime, ensuring precise positioning