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This genuine OEM contactor uses a 24-volt control coil to switch line-voltage power to the compressor and condenser fan motor. The reference configuration is a 2-pole, 30-amp contactor (part 1171554), with a heavier 3-pole, 40-amp version (part 1172449) available for higher-load applications. When the thermostat calls, the 24V coil pulls the contacts closed and energizes the outdoor unit; when the call ends, a spring opens the contacts. Over thousands of cycles the silver contacts pit, burn, and can weld shut — leaving the unit running constantly — or fail open so the unit won't start at all. A buzzing or chattering contactor signals a weak coil or low control voltage. Replacing a worn contactor restores clean, reliable switching and protects the compressor from voltage drop.
| Spec | Value |
|---|---|
| Primary Part Number | 1171554 (2-Pole, 30A) |
| Alternate Part Number | 1172449 (3-Pole, 40A) |
| Type | Definite Purpose Contactor |
| Brand | ICP / Heil / Tempstar |
| Coil Voltage | 24 VAC |
| Poles | 2 (or 3) |
| Rated Amps | 30A (or 40A) |
| Fitment | OEM |
Fits the ICP / Heil / Tempstar / Comfortmaker RGS213HDEA0AAAA and related models using a 24V-coil definite-purpose contactor. Choose the 2-pole 30A (1171554) or 3-pole 40A (1172449) to match your existing contactor's pole count and amp rating before installing.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.