ICP X-13 ECM Blower Motor Control for WJH430000KTP0A1 — 1/3 HP | Ships Today
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Overview
This OEM X-13 ECM motor control (PN 1185840) is the 1/3 HP variable-speed blower module used in the ICP/Heil/Tempstar WJH430000KTP0A1 air handler. Unlike a fixed-speed PSC motor, the X-13 ECM is a constant-torque electronically commutated motor that uses 24-volt thermostat taps to select preset airflow speeds, delivering quieter operation and lower electricity draw. The motor control is the brain and power stage of the assembly — it converts incoming power and reads the speed-tap signals to drive the rotor. When the ECM control fails you'll see no blower operation, intermittent or surging airflow, or the blower running at the wrong speed for the call. Replacing the control restores correct, efficient airflow across the indoor coil.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1185840 |
| Type | X-13 ECM Motor Control (constant torque) |
| Brand | ICP / Heil / Tempstar |
| Horsepower | 1/3 HP |
| Control | 24V thermostat speed taps |
| Application | Indoor blower / air handler |
Compatibility
Direct OEM fit for the ICP/Heil/Tempstar WJH430000KTP0A1 system. Matched to the 1/3 HP X-13 ECM blower assembly used in comparable Heil, Tempstar, Comfortmaker and Carrier/Bryant air handlers of the same tonnage. Confirm horsepower, shaft size and speed-tap configuration against your existing motor control before installing.
Installation Guide
- Safety First — Disconnect power at the furnace/air handler breaker and verify zero voltage with a multimeter before touching wiring.
- Access — Remove the blower-compartment service panel.
- Document — Photograph the 5-pin power plug, the 24V speed-tap connector and the blower-wheel position.
- Remove — Unplug the power and control connectors, separate the control module from the motor, and slide the blower assembly out if required.
- Install — Mount the new X-13 control to the motor, reconnect the power and speed-tap plugs exactly as photographed.
- Test — Restore power, run a heating and cooling call, and confirm the blower ramps to the correct programmed speed.
Signs You Need a Replacement
- Blower won't start on any thermostat call.
- Airflow surges, hunts or runs at the wrong speed.
- Motor hums or buzzes but won't spin up.
- Repeated furnace lockouts caused by no indoor airflow.
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