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This genuine OEM ECM X-13 motor with integrated motor control (part #1185842) is the 1/2 HP variable-speed blower motor for the ICP/Tempstar/Heil WPG3244040RKC1 packaged unit. The X-13 is a constant-torque electronically commutated motor that maintains steady airflow against changing static pressure, delivering quieter operation and better efficiency than a traditional PSC motor. The control module is built onto the motor and accepts low-voltage tap signals from the control board to select blower speed for heating, cooling, and fan-only modes. When this motor fails, the blower stops, runs at the wrong speed, or trips on overheat — leaving the system with no airflow.
| Spec | Value |
|---|---|
| Part Number | 1185842 |
| Type | ECM X-13 with Integrated Motor Control |
| Brand | ICP / Tempstar / Heil |
| Horsepower | 1/2 HP |
| Application | Furnace / Air Handler Blower |
| Fitment | OEM |
Direct factory replacement for the ICP WPG3244040RKC1 packaged gas/electric unit and used in matching 1/2 HP ECM blower assemblies across the Tempstar, Heil, and Comfortmaker product families. Verify horsepower, motor diameter, shaft size, and the X-13 control plug before installing.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.