5-inch backlit display and soft-key interface provide a streamlined experience for contractors managing advanced HVAC sequences

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please verify your specific conductor diameter against technical data

making it a critical stock item for any professional service truck targeting HVAC compressor troubleshooting and restoration

supporting an ambient temperature range of 32° to 225°F

Siemens Building Technology GCA226.1U Actuator 321894-706 5-inch backlit display and soft-keyThe Siemens GCA226. 1U is a heavy duty OpenAir electronic damper actuator engineered for precise two position control in commercial HVAC systems. Operating on a 120V AC power supply, this spring return actuator delivers a robust 160 lb in torque (18 Nm), making it the professional choice for managing large dampers in air handling units, mixed air sections, and exhaust systems. The integrated dual auxiliary switches provide critical end stop feedback