Siemens Building Technology GMA131.1U Actuator 319852-301 also identified as the AMI-1SS3

also identified as the AMI-1SS3 moisture indicator

low water cut-off functionality requires installation on a Hydrolevel Electro-Well

It facilitates the replacement of dual-temperature or single-temperature controls

ensuring lead-lag or interlocking logic is precise is critical

the Raypak 009133F Pressure Switch is often the first safety component to inspect

Siemens Building Technology GMA131.1U Actuator 319852-301 also identified as the AMI-1SS3The Siemens Building Technology GMA131. 1U is a specialized OpenAir electronic damper actuator engineered for commercial HVAC applications. This 24V spring return actuator provides 62 lb in torque (7 Nm), making it an ideal choice for managing return air, mixed air, and exhaust dampers in both constant and variable air volume (VAV) systems. Designed with three position control (floating), it allows for precise positioning while ensuring a reliable