ICP ECM X-13 Blower Motor Control for WJH324000K000A1 — 1/3 HP | Ships Today
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Overview
This OEM ECM X-13 Motor Control (Part #1185839) is the 1/3 HP variable-speed blower motor module for your ICP / Heil / Tempstar WJH324000K000A1 system. The X-13 (a constant-torque ECM platform) replaces the noisy, power-hungry PSC blower with a programmable electronically commutated motor that holds steady airflow across changing static pressure — delivering quieter operation, lower energy use, and consistent comfort. The motor control / module is the brains of the ECM: it reads the 24V tap inputs from the control board and commutates the motor windings to the commanded speed. When the module fails, the blower won't run, runs at one fixed speed, surges, or throws blower-fault codes. Because the X-13 is matched to the unit by horsepower and programming, fitting the correct 1/3 HP OEM control (1185839) is essential for proper airflow and system performance.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1185839 |
| Type | ECM X-13 Constant-Torque Motor Control |
| Brand | ICP (Heil / Tempstar / Comfortmaker) |
| Horsepower | 1/3 HP |
| Motor Technology | Electronically Commutated (ECM) |
| Application | Furnace / Air Handler Blower |
| Fits Model | WJH324000K000A1 |
Compatibility
Fits the ICP / Heil / Tempstar WJH324000K000A1 and other International Comfort Products air handlers/furnaces specifying the 1/3 HP X-13 ECM motor control (part 1185839). Match horsepower and the X-13 platform to your unit's blower before installing.
Installation Guide
- Safety First — Disconnect power at the breaker, then verify zero voltage at the motor leads with a multimeter (ECM modules retain bus voltage — wait several minutes before handling).
- Access — Remove the blower compartment / service panel to reach the motor assembly.
- Document — Photograph the 24V tap harness and motor connector before disconnecting.
- Remove — Unplug the control and power connectors, pull the blower assembly, and separate the X-13 module/motor from the housing.
- Install — Fit the new 1/3 HP X-13 control, reseat the motor in the blower housing, and reconnect the harness to the matching speed taps per your photo.
- Test — Restore power and verify the blower ramps to the correct speed on a heat, cool, and fan call with steady airflow.
Signs You Need a Replacement
- Blower won't start or runs only at one fixed speed
- Motor surges, hunts, or stops mid-cycle
- Blower-fault or no-airflow codes at the control board
- Burning smell, grinding, or hot/discolored module housing
Shipping & Returns
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.
Shipping Information
- Orders placed before 3PM CST ship same business day
- Standard delivery: 2-5 business days
- Express shipping available at checkout
- Free shipping on orders over $75
- Tracking number emailed upon shipment
Return Policy
- 30-day returns on unused parts in original packaging
- Electrical parts (capacitors, contactors, control boards) are final sale once installed
- Email info@nationalhvacparts.com to initiate a return
- Refunds processed within 5-7 business days