OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
This is the factory-specified OEM replacement contactor (part number HN52TC040) for the Carrier GC048HERNXET1XX1 packaged unit. The contactor is a high-voltage relay that receives a 24V signal from your thermostat and closes to send line voltage to the compressor and condenser fan motor. When it fails — due to pitted contacts, a welded coil, or worn contact surfaces — your system will either refuse to start entirely, run continuously without shutting off, or hum without engaging the compressor. Replacing a failed contactor promptly prevents costly compressor damage caused by voltage irregularities.
Compatibility: Engineered specifically for the Carrier GC048HERNXET1XX1 packaged unit. Verify your existing contactor's pole count, amperage rating, and coil voltage against your unit's data plate before ordering. Our parts specialists are available to confirm fitment — just reach out before you buy. Order today and get same-day shipping on all in-stock OEM Carrier parts.