Siemens Building Technology GCA161.1U Actuator Els PW 29614 The Reznor 17890 Pilot Assembly

The Reznor 17890 Pilot Assembly is a critical OEM replacement part engineered for precise ignition and sustained burner performance in unit heaters and furnaces

this is a model-specific 7-cell drain pan

The inlet supports a 5/8" ODF (Sweat) or 1-1/8" ODM connection

To facilitate accurate sensing

Siemens Building Technology GCA161.1U Actuator Els PW 29614 The Reznor 17890 Pilot AssemblyThe Siemens GCA161. 1U is a high torque spring return rotary actuator engineered for precise control of building automation dampers and ball valves. Operating on a 24VAC supply, this OpenAir actuator utilizes a 0 10 VDC modulating signal to provide 142 lb in (16 Nm) of torque, ensuring reliable operation even in high static pressure systems. Its robust construction is designed for HVAC damper control applications requiring fail safe positioning during