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This is a genuine OEM 2-pole definite-purpose contactor (part number 1178074) for the ICP / Tempstar / Heil RGS091LECB0AAA gas furnace and its matched condensing unit. The contactor is an electrically operated switch: when the 24-volt control circuit energizes the coil, the contacts close and pass line voltage to the compressor and condenser fan motor. Rated at 30 amps per pole with a 24V coil, it is the workhorse relay that starts and stops your outdoor unit on every cooling call.
Contactors wear out from the constant arcing that occurs each time the contacts open and close. Pitted, burned, or welded contacts are the most common cause of an outdoor unit that will not start, that hums without running, or that fails to shut off. Ants and debris lodging between the contacts are also a frequent field failure.
| Spec | Value |
|---|---|
| Part Number | 1178074 |
| Type | Definite Purpose Contactor |
| Brand | ICP / Tempstar / Heil |
| Poles | 2-Pole |
| Contact Rating | 30 Amps |
| Coil Voltage | 24V |
| Fitment | OEM Replacement |
Directly fits the ICP / Tempstar / Heil RGS091LECB0AAA system and other ICP-family units that specify OEM contactor 1178074. Always confirm the part number on your existing contactor before ordering.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.