ICP Contactor for WCH3482GKR2 — 1-Pole 30A 24V Coil w/ Shunt | Ships Today
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Overview
This OEM single-pole definite purpose contactor (part #1172472) is the switching relay that energizes the compressor and condenser fan motor in your ICP/Heil/Tempstar WCH3482GKR2 heat pump. When the thermostat calls for cooling or heating, the 24V control circuit energizes the contactor coil, pulling the contacts closed to deliver line voltage to the compressor. Rated for 30 amps with a 24-volt coil and an integrated shunt, it is built to handle the high inrush current of compressor startup cycle after cycle. Common failure symptoms include a unit that hums but won't start, pitted or welded contacts that stick closed (leaving the compressor running constantly), chattering, or a buzzing sound from the contactor itself. Worn or burned contacts are one of the most frequent causes of no-cool service calls.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1172472 |
| Type | Single-Pole (1P) Definite Purpose |
| Brand | ICP / Heil / Tempstar / Comfortmaker |
| Contact Rating | 30 Amps |
| Coil Voltage | 24 VAC |
| Poles | 1 |
| Features | Integrated Shunt |
| Fitment | OEM Replacement |
Compatibility
Direct OEM replacement for the ICP/Heil/Tempstar WCH3482GKR2 heat pump condensing unit. Also fits numerous other ICP-family condensers and heat pumps using the same 1172472 contactor. Always verify the part number on your existing contactor before ordering.
Installation Guide
- Safety First — Disconnect power at the disconnect box and breaker; verify zero voltage at the contactor terminals with a multimeter.
- Access — Remove the condensing unit's electrical access panel.
- Document — Photograph all wire connections before disconnecting anything.
- Remove — Label and disconnect the line, load, and 24V coil wires; unscrew the old contactor from the bracket.
- Install — Mount the new contactor, reconnect each wire to the matching terminal per your photo.
- Test — Restore power and confirm the contactor pulls in on a call for cooling and the compressor/fan start normally.
Signs You Need a Replacement
- Unit hums or buzzes but the compressor won't start.
- Visibly pitted, burned, or welded contacts.
- Compressor runs continuously and won't shut off (stuck closed).
- Loud chattering from the contactor when the system cycles.
Shipping & Returns
Ships same day on orders placed before 3 PM CST. 30-day hassle-free 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