maintaining the original safety staging and HVAC system compatibility

If the 3400 RPM motor cannot create sufficient vacuum

this genuine replacement ensures that safety shut-off parameters meet original factory specifications for reliable burner ignition

allowing for precise calibration of valve modulation to meet specific sequence requirements

This 24V actuator requires 40 VA for wire sizing

Siemens Building Technology GMA221.1U Actuator 323080-701 maintaining the original safety stagingThe Siemens GMA221. 1U is a high performance OpenAir damper actuator engineered for reliable 2 position (on off) control in critical HVAC environments. Operating on a 120 VAC power supply, this direct coupled unit delivers a robust 62 lb in torque (7 Nm), making it the primary choice for managing return air, mixed air, and exhaust dampers in both constant and variable air volume (VAV) systems. The integrated spring return fail safe mechanism ensures