OEM Carrier Pressure Switch with Bracket .33" W.C. for Model PG8DAA048095ACJA

This is the factory OEM replacement pressure switch (part number HK06WC090) for the Carrier PG8DAA048095ACJA packaged gas furnace. The pressure switch is a safety device that proves the inducer blower is running and creating adequate negative pressure before allowing the ignition sequence to begin. When this switch fails or sticks open, the furnace control board receives no signal to proceed, resulting in a hard lockout — no heat, no ignition — often indicated by a diagnostic fault code on the control board. This part ships with its mounting bracket for a true drop-in replacement.

• Specs: .33" W.C. (inches water column) set point | SPST (Single Pole, Single Throw) | 24V control circuit | Includes factory mounting bracket | OEM part number HK06WC090
• OEM vs Generic: OEM pressure switches are calibrated to exact W.C. tolerances required by your furnace's control board. Generic alternatives may deviate from the rated set point, causing nuisance lockouts or, worse, unsafe operation. Always match the W.C. rating precisely.
• Install difficulty: 2/5 — Turn off gas supply and 120V power at the disconnect before beginning. Tools needed: 1/4" nut driver, needle-nose pliers, and a short length of replacement hose (inspect the existing hose for cracks while you're in there). Photograph hose routing and wiring before disconnecting. Drain any condensate from the hose before attaching to the new switch.
• Warranty: 1-year OEM manufacturer warranty. In-stock orders ship same business day when placed by 5 PM local time.

Compatibility: Direct OEM replacement for Carrier model PG8DAA048095ACJA packaged gas furnace. This switch also supersedes earlier Carrier/Bryant/Payne pressure switch part numbers including HK06WC088, HK06WC086, HK06WC076, HK06WC074, HK06WC073, HK06WC072, HK660001, 326750-751, 310315-751, and 310315-752 — always verify the .33" W.C. rating and bracket style on your unit's data plate before ordering. Our parts team is available to confirm fitment prior to purchase.