Is the HD46AR464 an ECM or PSC motor

This specific orifice is sized for natural gas applications based on the #30 drill specification

you must verify against your specific serial number and parts list

System Protection: Actively prevents liquid refrigerant from entering the compressor

Siemens Combustion SQM45.295B9 Actuator 321894-709 Is the HD46AR464 an ECMThe Siemens SQM45. 295B9 Actuator is a precision engineered electromotoric actuator designed for the load dependent control of gas and oil burners. Operating as a critical component within the Siemens LMV5 Linkageless System, this unit facilitates high accuracy positioning of air dampers and butterfly valves through its CAN bus communication protocol. Engineered with a #5 drive shaft (10mm D shaft), the SQM45. 295B9 delivers a nominal torque of 3 Nm