OEM Carrier Pressure Switch with Bracket HK06NB124 for Model PG9MAB060120ABSA

This is the factory OEM replacement pressure switch with mounting bracket for the Carrier PG9MAB060120ABSA gas furnace. The pressure switch is a critical safety component that monitors negative pressure created by the inducer motor to confirm proper draft before allowing ignition to proceed. When this switch fails — or its sensing hose cracks — the furnace control board will lock out on a pressure switch fault, typically displaying a fault code and preventing any ignition attempt. Replacing it with the correct OEM part restores factory-calibrated performance and eliminates nuisance lockouts.

• Specs: SPST (Single-Pole, Single-Throw) | Set point: -1.65" W.C. | Includes factory mounting bracket | OEM part number HK06NB124 | Supersedes HK06NB120, HK06NB119, HK06NB122, HK06NB123, and HK06ZB104
• OEM vs Generic: This OEM switch is calibrated to Carrier's exact set-point specification. Aftermarket pressure switches often carry wider tolerances, which can cause the furnace to either nuisance-trip or fail to verify safe draft — a critical safety concern on high-efficiency condensing furnaces.
• Install Difficulty: 2/5 — Straightforward swap accessible from the furnace cabinet. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers. Always disconnect power before servicing. Photograph existing hose routing and wiring before removing the old switch. Inspect the sensing hose and port for cracks or blockages while the switch is out.
• Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Direct OEM replacement for Carrier PG9MAB060120ABSA gas furnaces. This part is also confirmed as the current superseding switch across more than 200 Carrier and Bryant residential furnace models. Always verify the part number on your existing switch or equipment data plate before ordering. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — contact us today and get your furnace back online fast.