ICP X-13 ECM Fan Motor Control Module 1/3 HP for WJA330000KTP0A1 — OEM 1185840 | Ships Today
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Overview
This is a genuine OEM X-13 ECM (Electronically Commutated Motor) control module, 1/3 HP, OEM part number 1185840, for the ICP/Tempstar/Heil WJA330000KTP0A1 system. The X-13 is a programmed constant-torque blower motor that delivers efficient, quiet airflow and far lower energy consumption than a standard PSC motor. When this motor fails you'll typically see no blower operation, intermittent starting, unusual humming or buzzing, overheating, or a blower/ECM fault from the control board. Because the X-13 is a sealed, programmed module, a failed bearing or control fault requires full replacement rather than repair.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1185840 |
| Type | X-13 ECM Motor / Control Module |
| Brand | ICP / Tempstar / Heil |
| Horsepower | 1/3 HP |
| Motor Technology | Constant-Torque ECM |
| Application | Furnace Blower / Air Handler |
| Fitment | OEM |
Compatibility
Engineered for the ICP/Tempstar/Heil model WJA330000KTP0A1 and related WJA-series air-handler/furnace platforms that originally shipped with the 1/3 HP X-13 blower. Confirm your existing motor tag matches OEM 1185840 before installing.
Installation Guide
- Safety First — Disconnect power at the breaker and verify zero voltage at the unit with a multimeter.
- Access — Remove the blower compartment service panel.
- Document — Photograph all motor and control harness connections before disconnecting.
- Remove — Unplug the motor and module harnesses, loosen the blower wheel set screw, and slide the motor out of the housing.
- Install — Mount the new X-13 motor, transfer the blower wheel, set the air gap, and reconnect the harness exactly per your photo.
- Test — Restore power and verify the blower ramps and runs at the programmed torque on each call.
Signs You Need a Replacement
- Blower fails to start or runs intermittently on a heating/cooling call.
- Loud humming, buzzing, or grinding from the blower compartment.
- Motor overheats, smells hot, or trips on thermal overload.
- Furnace or air-handler board reports a blower/ECM fault code.
Shipping & Returns
Ships same day on orders placed before 3 PM CST. 30-day returns on uninstalled parts. 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