ICP 1/2 HP ECM Blower Motor for WAPM364A2 — Variable Speed | Ships Today
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Overview
This OEM 1/2 HP ECM blower motor (part number 1185157) drives the indoor airflow for your ICP WAPM364A2 air handler. ECM (Electronically Commutated Motor) technology delivers variable, soft-start operation that ramps airflow smoothly, holds constant CFM against changing duct static pressure, and uses dramatically less electricity than older PSC motors. As the heart of the air handler, it circulates conditioned air through the entire duct system on every heating and cooling cycle. When an ECM blower motor fails, you lose airflow — leading to weak or no air at the registers, short-cycling on high-limit, frozen coils, and excessive electric heat strip run time.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1185157 |
| Type | ECM Variable-Speed Blower Motor |
| Brand | ICP (Tempstar / Heil) |
| Horsepower | 1/2 HP |
| Application | Furnace / Air Handler Blower |
| Fitment | OEM |
Compatibility
A direct OEM replacement for the ICP WAPM364A2 air handler. Because ICP builds equipment under the Tempstar, Heil, Comfortmaker, and Arcoaire brands, this 1/2 HP ECM motor also fits equivalent models across those families that call out part 1185157.
Installation Guide
- Safety First — Disconnect power at the breaker and verify zero voltage with a multimeter; ECM motors retain charge, so wait several minutes before handling.
- Access — Remove the blower compartment service panel.
- Document — Photograph the motor control plug, ground, and blower wheel orientation before disconnecting.
- Remove — Slide out the blower assembly, loosen the wheel set screw, and separate the old motor from the housing.
- Install — Transfer the blower wheel, mount the new motor, reconnect the control harness per your photo, and reinstall the assembly.
- Test — Restore power, run a heat and cool cycle, and confirm smooth ramp-up and full airflow at the registers.
Signs You Need a Replacement
- Weak airflow or no air from registers
- Motor hums but won't start, or starts and stops repeatedly
- Frozen evaporator coil or high-limit short cycling
- Unusual bearing noise or burning smell from the blower
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