OEM Carrier Pressure Switch Assembly with Bracket HK06WC069 for Model PG8MAA066135ACJA

This is the genuine OEM pressure switch assembly with mounting bracket for the Carrier PG8MAA066135ACJA gas furnace. The pressure switch monitors negative pressure created by the inducer draft motor to confirm adequate combustion airflow before allowing ignition to proceed. If the switch fails to close — or fails to open — the integrated furnace control board will lock out the ignition sequence entirely, resulting in a no-heat condition. Common symptoms include the inducer motor running but the furnace never progressing to ignition, a flashing fault code indicating a pressure switch fault, or intermittent cycling that clears on a manual reset only to return on the next heating call.

• Part Number: HK06WC069 | Pressure Switch Assembly with Mounting Bracket | OEM factory-specified replacement for Carrier PG8MAA066135ACJA
• OEM vs Generic: This genuine Carrier OEM part is factory-calibrated to the exact water column (W.C.) trip point required by the PG8MAA066135ACJA. Aftermarket switches frequently ship with off-tolerance set points that cause nuisance lockouts or — worse — allow ignition under unsafe draft conditions.
• Install Difficulty: 2/5 — Shut off gas and 120V power before servicing. Disconnect the rubber hose, two wiring terminals, and remove the bracket screws. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers. Always inspect the rubber hose and port for cracks or blockage before condemning the switch itself.
• Warranty: 1-year OEM manufacturer warranty. In-stock and ships same business day from our warehouse.

Compatibility: Engineered and factory-matched for the Carrier PG8MAA066135ACJA 80% AFUE gas furnace. This part also fits select Bryant and Payne models sharing the same inducer and pressure switch assembly — confirm your model number and the W.C. rating on your existing switch before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you purchase — just reach out before placing your order.