Carrier HD52MQ129 Motor 323613-751 and 103660-02 without modification

and 103660-02 without modification

The integrated digital feed counter provides an accurate gallon count of all water introduced to the system—including manual overrides—which is critical for diagnosing systemic leaks

ensuring maximum energy transfer to the burner

reducing labor time during actuator retrofit or maintenance cycles

This part number typically refers to the controller itself

Carrier HD52MQ129 Motor 323613-751 and 103660-02 without modificationThe Carrier HD52MQ129 Motor is a high performance, 1 HP ECM blower motor engineered for precision airflow management in residential and light commercial HVAC systems. This 115V HVAC motor operates at 1050 RPM with a counter clockwise (CCW) rotation, meeting the demanding torque requirements of high static pressure applications. Built on a robust 48 frame, it utilizes arm and grommet mounting to effectively dampen vibration and minimize mechanical