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This is the genuine OEM 2-pole, 40-amp definite purpose contactor (part 1178211) with a 24-volt control coil for the ICP / Tempstar / Heil RGS091HDCA0AAA system. The contactor is the high-voltage switch that energizes the compressor and condenser fan when the thermostat calls for cooling: the 24V coil pulls the contacts closed, sending line voltage to the load. Over time the silver contacts pit, burn, and weld from arcing, while the coil can fail open. A failing contactor causes hard starts, chattering, buzzing, or a unit that won't run at all. This OEM-spec replacement restores reliable, clean switching.
| Spec | Value |
|---|---|
| Part Number | 1178211 |
| Type | Definite Purpose Contactor |
| Brand | ICP / Tempstar / Heil |
| Poles | 2 |
| Contact Rating | 40 Amps |
| Coil Voltage | 24V |
| Fitment | OEM exact-fit |
Designed for the ICP Tempstar Heil RGS091HDCA0AAA and other systems specifying a 2-pole 40A contactor with a 24V coil. Confirm pole count, amp rating, and coil voltage against your existing contactor before ordering.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.