ICP Fan Motor for WAXM304A1 — ECM X-13 Blower Motor Control 1/2 HP | Ships Today
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Overview
This is a genuine OEM ECM X-13 blower motor control module (part number 1185286) rated at 1/2 HP for the ICP WAXM304A1 air handler. The X-13 is a constant-torque ECM (electronically commutated motor) that drives the indoor blower wheel, moving conditioned air through your ductwork at preset airflow profiles selected by jumper taps. Unlike a standard PSC motor, the X-13 holds a programmed torque across changing static pressure, which keeps airflow stable as filters load and improves overall system efficiency. When this motor or its integrated control fails you will typically see no blower operation, intermittent starting, buzzing or humming without rotation, overheating, or error codes from the air handler control board. Replacing it with the correct OEM module restores the factory airflow tables and protects downstream comfort and efficiency.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1185286 |
| Type | ECM X-13 Blower Motor Control |
| Brand | ICP (Heil / Tempstar / Comfortmaker) |
| Horsepower | 1/2 HP |
| Motor Technology | Constant-Torque ECM |
| Application | Indoor Air Handler / Furnace Blower |
| Fitment | OEM Replacement |
Compatibility
Engineered as the factory blower motor for the ICP WAXM304A1 air handler and the family of Heil, Tempstar, and Comfortmaker units built on the same WAXM304 platform. Always confirm the part number on your existing motor or control before ordering, as airflow tap programming is matched to the cabinet.
Installation Guide
- Safety First — Disconnect power at the breaker and the unit disconnect, then verify zero voltage with a multimeter before touching any wiring.
- Access — Remove the air handler blower compartment service panel.
- Document — Photograph every motor and control wire, including the airflow tap selections, before disconnecting anything.
- Remove — Disconnect the line, control, and tap harnesses, loosen the blower housing band, slide the assembly out, and transfer the wheel and set screw position to the new motor.
- Install — Mount the new X-13 motor, reinstall the blower wheel at the same shaft depth, reconnect every harness per your photos, and set the matching airflow taps.
- Test — Restore power, command a call for cooling or heating, and verify smooth start, correct rotation, and steady airflow.
Signs You Need a Replacement
- Blower will not start or starts intermittently on a call for air
- Humming or buzzing from the motor with little or no rotation
- Weak or inconsistent airflow at the registers
- Motor runs hot, trips on overload, or shuts down mid-cycle
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