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This is the factory OEM pressure switch assembly (part number HK06WC069) for the Carrier PG8MAA024070ADJA gas furnace. The pressure switch is a critical safety component that monitors negative pressure created by the inducer draft motor. Once the inducer establishes proper airflow and venting, the pressure switch closes and signals the control board to advance to the ignition sequence. When it fails or sticks open, the furnace will lock out before ignition — presenting as a no-heat call with a pressure switch fault code. This assembly includes the factory-mounted bracket for a direct drop-in replacement with no modification required.
Compatibility: Engineered and factory-specified for the Carrier PG8MAA024070ADJA gas furnace. Before ordering, confirm the part number on your existing switch label matches HK06WC069. This part also cross-references across select Bryant and Payne furnace models sharing the same inducer and pressure switch configuration. Not sure it fits? Our HVAC parts specialists verify fitment before you order — contact us anytime.