OEM Carrier Dual Pressure Switch Assembly HK06NB020 for PG95SAS48080BAAA

This OEM dual pressure switch assembly is the factory-specified replacement for the Carrier PG95SAS48080BAAA 95% AFUE gas furnace. The pressure switch proves that the inducer motor has established proper draft before allowing the ignition sequence to proceed — a critical safety function. When the switch fails or sticks open, the control board will lock out the furnace before the burners ever fire, leaving you with a no-heat call and a blinking fault code. A failed pressure switch is one of the most common furnace service calls on high-efficiency units.

• OEM Part Numbers: Primary — HK06NB020 (Dual Pressure Switch Assembly) | Secondary — HK02LB008 (Gas Pressure Switch); both are covered under this assembly for the PG95SAS48080BAAA.
• OEM vs Generic: OEM pressure switches are factory-calibrated to exact water column (W.C.) setpoints for this furnace's inducer. Off-spec generic switches can open at the wrong pressure, causing nuisance lockouts or — worse — allowing ignition attempts under unsafe draft conditions.
• Install Difficulty: 3/5 — Requires gas furnace safety awareness. Turn off power and gas before servicing. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, vacuum/pressure gauge (recommended for verification). Photograph all hose and wiring connections before removal. Check hoses and ports for blockages before replacing the switch.
• Warranty & Shipping: Backed by Carrier's 1-year OEM parts warranty. In stock and ships same business day from our warehouse when ordered by 3 PM local time.

Compatibility: Designed and factory-matched for the Carrier PG95SAS48080BAAA 80,000 BTU 95% AFUE single-stage gas furnace. Always verify the W.C. rating stamped on your existing switch and match it to the replacement before installation. If you are unsure of fitment, our HVAC parts team can verify compatibility before you order — no guesswork needed.