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This OEM 2-pole definite purpose contactor (part number 1178074) is the switching relay that energizes the compressor and condenser fan motor in your ICP Tempstar/Heil RGS090SRBA0AAA system. When the thermostat calls for cooling, the 24-volt control circuit energizes the contactor coil, pulling the contacts closed to deliver line voltage to the high-amperage loads. Rated at 30 amps per pole with a 24V coil, it is built to handle the inrush current of a 7.5-ton class compressor. Common failure symptoms include a system that won't start, chattering or buzzing at the contactor, pitted or welded contacts that won't drop out, or a humming unit that never reaches full operation. A failed contactor is one of the most frequent no-cool service calls.
| Spec | Value |
|---|---|
| Part Number | 1178074 |
| Type | Definite Purpose Contactor |
| Brand | ICP (Tempstar / Heil) |
| Poles | 2-Pole |
| Contact Rating | 30 Amps |
| Coil Voltage | 24V |
Direct OEM fit for the ICP Tempstar Heil RGS090SRBA0AAA furnace/system and shared platform models across the ICP family (Tempstar, Heil, Comfortmaker, Arcoaire). Always verify your existing contactor's amp and pole rating against the original before installing.
Ships same day on orders placed before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.