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This genuine OEM contactor (part number 1066570) is a 2-pole, 40-amp electrical switch with a 24V control coil, built for the ICP/Tempstar/Heil ZAEB030CSA1 condensing unit. A contactor is the heavy-duty relay that energizes the compressor and condenser fan motor whenever the thermostat calls for cooling. The 24V coil receives a low-voltage signal and closes the two main poles, allowing line voltage to pass to the compressor and fan. Contactors are among the most common HVAC failure points because their contacts arc, pit, and burn over thousands of switching cycles. Symptoms of a failing contactor include a unit that won't start, a humming or chattering sound, contacts welded shut so the compressor never shuts off, or visibly burned and corroded terminals. Replacing it restores clean, reliable switching.
| Spec | Value |
|---|---|
| OEM Part Number | 1066570 |
| Part Type | Definite Purpose Contactor |
| Poles | 2-Pole |
| Contact Rating | 40 Amps |
| Coil Voltage | 24V |
| Brand | ICP / Tempstar / Heil |
| Fits Model | ZAEB030CSA1 |
A direct OEM replacement for the ICP, Tempstar, Heil, Comfortmaker, and Arcoaire model ZAEB030CSA1, and interchangeable across many ICP-family condensing units that use the same 2-pole 40A / 24V coil specification. Verify part number 1066570 before ordering.
Ships same day on orders placed before 3 PM CST. 30-day hassle-free returns. Backed by the National HVAC Parts fitment guarantee.