As a 120V AC electromechanical actuator

the Nordyne 293331R Heat Exchanger is the specific OEM furnace part required to restore combustion integrity and thermal transfer efficiency

or cracks in the collector body

a critical component for preventing refrigerant migration during off-cycles

Siemens Building Technology GMA166.1U Actuator 321042-401 As a 120V AC electromechanicalThe Siemens GMA166. 1U is a high performance OpenAir GMA Series electronic actuator designed for the rigorous demands of commercial HVAC systems. This spring return actuator provides a reliable 62 lb in torque (7 Nm) capacity, making it the standard choice for controlling return air, mixed air, and exhaust dampers in both VAV systems and constant volume installations. Operating on a 24V AC DC power supply, it utilizes a 0 10 VDC modulating control