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This OEM contactor is the factory-specified replacement for the Carrier C4850C50Z8090110 packaged unit. The contactor is the high-voltage relay responsible for switching power to the compressor and condenser fan motor when the thermostat calls for cooling. When a contactor fails — due to burned contacts, pitting, or a welded-open position — the most common symptoms are the system failing to start entirely, intermittent cooling, or the unit running continuously without shutting off. Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120.
Compatibility: Designed for the Carrier C4850C50Z8090110 packaged unit. This listing covers cross-reference part numbers HN53CB115, HN53HF122, and HN53HG120. Always verify coil voltage, pole count, and amperage rating against your unit's data plate prior to ordering. Our technical team is available to confirm fitment before you buy — fast shipping means you're back up and running today.