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This is a genuine OEM ECM X-13 motor control module (1/2 HP) for the ICP/Heil/Tempstar WJH336000KTP0A2. The X-13 is a constant-torque electronically commutated (ECM) blower motor that holds a programmed torque across changing static pressure, giving quieter, more efficient airflow than older PSC motors. The integrated control reads the 24V tap-select signal and drives the motor at the chosen airflow profile. A failed control leaves the blower unable to start, surging between speeds, or shut down on an internal fault — meaning no air delivery on a heating or cooling call.
| Spec | Value |
|---|---|
| OEM Part Number | 1185845 |
| Type | ECM X-13 Motor Control |
| Motor Style | Constant Torque ECM |
| Horsepower | 1/2 HP |
| Brand | ICP / Heil / Tempstar / Comfortmaker |
| Line Voltage | 208/230V |
| Control Signal | 24V tap select |
| Application | Furnace blower / air handler |
Designed as a direct OEM replacement for the ICP/Heil/Tempstar WJH336000KTP0A2 and shared platform units using the 1/2 HP X-13 ECM blower assembly. Always match the part number on your existing motor control before ordering.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.