ICP 1-Pole 30A Contactor for WCA3182GKA1 — 24V Coil with Shunt | Ships Today
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Overview
This is a genuine OEM single-pole definite purpose contactor (part number 1172472) for the ICP/Heil/Tempstar WCA3182GKA1 condensing unit. The contactor is the electrical switch that energizes the compressor and condenser fan motor whenever the 24-volt control signal from the thermostat calls for cooling. Rated at 30 amps with a 24V coil and an integrated shunt, it handles the high inrush current of compressor start-up while the low-voltage coil keeps the control circuit safe. When a contactor fails the most common symptoms are a unit that hums but won't start, contacts that chatter or buzz, pitted or welded contacts that keep the compressor running after the thermostat is satisfied, or ants and debris fouling the contacts so the system won't engage at all.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1172472 |
| Type | Single-Pole (1P) Definite Purpose Contactor |
| Brand | ICP / Heil / Tempstar |
| Contact Rating | 30 Amps |
| Coil Voltage | 24V |
| Poles | 1 |
| Features | Includes Shunt |
| Fitment | OEM Replacement |
Compatibility
Directly fits the ICP/Heil/Tempstar WCA3182GKA1 air conditioning condensing unit. This 30A 24V single-pole contactor is also used across many comparable ICP-family residential condensers built on the same platform. Always confirm your existing contactor is a 1-pole, 30 amp, 24V coil unit before ordering.
Installation Guide
- Safety First — Disconnect power at the outdoor disconnect and the breaker, then verify zero voltage at the contactor terminals with a multimeter.
- Access — Remove the condenser service panel to expose the electrical box.
- Document — Photograph all wire connections before disconnecting anything.
- Remove — Label and disconnect the line, load, and 24V coil wires, then unscrew the old contactor from the mounting bracket.
- Install — Mount the new contactor, reconnect every wire exactly as photographed, and confirm the shunt and coil leads are secure.
- Test — Restore power, call for cooling, and verify the contactor pulls in cleanly and the compressor and fan start.
Signs You Need a Replacement
- Unit hums or buzzes but the compressor and fan won't start.
- Burned, pitted, or welded contacts visible on the contactor.
- Compressor keeps running after the thermostat is satisfied.
- Chattering coil or AC that engages intermittently.
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