ICP X-13 ECM Motor Control for WAHT364A1 — 1/2 HP | Ships Today
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Overview
This OEM X-13 ECM motor control (part number 1185283) is the 1/2 HP constant-torque blower motor for the ICP WAHT364A1 air handler. The X-13 design integrates the motor control electronics into the motor itself, holding steady torque across tap-selected airflow settings while drawing far less power than an older PSC motor. A failing X-13 motor typically refuses to start, runs only on certain taps, hums without spinning, or trips on thermal overload — resulting in weak airflow, iced-over coils, and poor comfort throughout the home. This genuine OEM module is programmed to the WAHT364A1's airflow requirements for a true plug-and-play replacement.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1185283 |
| Type | X-13 ECM Motor Control |
| Brand | ICP (Tempstar / Heil) |
| Horsepower | 1/2 HP |
| Application | Indoor Blower / Air Handler |
| Fitment | OEM Replacement |
Compatibility
Direct OEM fit for the ICP WAHT364A1 air handler and the matching Tempstar, Heil, and Comfortmaker units built on the same cabinet. Because X-13 motors are programmed for a specific application, confirm the 1185283 part number on your existing motor before ordering.
Installation Guide
- Safety First — Disconnect power at the breaker and verify zero voltage with a multimeter before servicing.
- Access — Remove the blower compartment service panel.
- Document — Photograph the high-voltage supply leads and the 24V tap-select connector before disconnecting.
- Remove — Slide out the blower assembly, loosen the wheel set screw, unbolt the motor band, and unplug the X-13 connectors.
- Install — Transfer the blower wheel at the same shaft depth, mount the new motor, reinstall the assembly, and land the tap-select leads on the same terminals as the original.
- Test — Restore power and confirm the blower runs at the correct speed in heat, cool, and fan modes.
Signs You Need a Replacement
- Blower will not start on any speed tap
- Motor hums or buzzes but does not turn
- Airflow only on some modes or noticeably weak
- Motor overheats and shuts down on thermal limit
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