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This is the genuine OEM Carrier LP (propane) gas pressure switch, part number HK02LB008, factory-specified for the Carrier TFACCYCRLPELEV002A00. The gas pressure switch monitors incoming LP gas supply pressure and interrupts the ignition sequence if pressure falls outside the safe operating range. When this switch fails or drifts out of calibration, the furnace will typically lock out on a pressure fault — resulting in a no-heat call, a flashing fault code, or a system that ignites briefly and then shuts down. Replacing it with the correct OEM part ensures the unit operates within factory-specified safety parameters.
Compatibility: Designed for Carrier model TFACCYCRLPELEV002A00 LP gas furnace applications. Note: HK02LB008 has been discontinued by the manufacturer; HK02MB008 is the OEM-approved direct replacement and ships in its place where stock is exhausted. Verify your unit's gas type (LP/propane) and pressure switch cut-out rating on the data plate before ordering. Our fitment team is available to confirm compatibility before you buy.