ICP ECM X-13 Blower Motor Control for WJA330000K000B1 — 1/3 HP | Ships Today
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Overview
This is the genuine OEM ECM X-13 motor with integrated control module (part 1185840), rated 1/3 HP, for the ICP/Heil/Tempstar WJA330000K000B1 air handler. The X-13 is a constant-torque electronically commutated motor that drives the indoor blower wheel. Unlike a standard PSC motor, it uses a built-in microprocessor control to hold a programmed torque across each tap, delivering quieter operation, better airflow consistency against duct static, and significantly lower electrical consumption. The control module and motor are matched as a single assembly. Failure typically shows up as no blower operation, a blower that hums but won't spin, erratic speed, or repeated tripping — often after the control electronics fail even though the windings are intact.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1185840 |
| Type | ECM X-13 Constant-Torque Motor w/ Control |
| Brand | ICP (Heil · Tempstar · Comfortmaker) |
| Horsepower | 1/3 HP |
| Application | Indoor furnace/air-handler blower |
| Fits Model | WJA330000K000B1 |
| Fitment | OEM exact replacement |
Compatibility
Built for the ICP/Heil/Tempstar WJA330000K000B1 and shared-platform units that use the 1/3 HP ECM X-13 blower assembly. Confirm part number 1185840 and the motor tap configuration against your unit before ordering.
Installation Guide
- Safety First — Disconnect power at the breaker and disconnect, then verify zero voltage with a multimeter.
- Access — Remove the blower compartment panel and pull the blower assembly if required.
- Document — Photograph the 5-pin control and motor harness plus the tap wiring before disconnecting.
- Remove — Loosen the blower wheel set screw, slide the wheel off, and unbolt the old motor from the mount.
- Install — Mount the new ECM X-13, refit the blower wheel, and reconnect the control and power harness per your photo.
- Test — Restore power and confirm smooth start, correct speed tap, and proper airflow on a blower call.
Signs You Need a Replacement
- Blower hums but won't start or spin
- No indoor airflow on a heat or cool call
- Erratic, surging, or wrong blower speed
- Motor runs hot, cycles on thermal overload, or trips the breaker
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