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This OEM Carrier fan blower control board (part number HK61EA010) is the factory-specified replacement for the Carrier PF4MNA019T00AAAA fan coil air handler. The control board serves as the central command center of your air handler — managing blower motor operation, fan speed sequencing, relay switching, and communication with the thermostat and outdoor unit. When this board fails, common symptoms include the blower fan not running, the system failing to respond to thermostat calls for heating or cooling, intermittent operation, or a completely dead air handler with no response from any component.
Compatibility: Engineered as the direct OEM replacement for Carrier model PF4MNA019T00AAAA fan coil air handlers. Always verify your existing board's part number against HK61EA010 before ordering. Need fitment help? Our HVAC parts specialists confirm compatibility before you buy — no guesswork, no returns.