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OEM Carrier Dual Pressure Switch Assembly HK06NB020 — PG92SBS48080BAAA
Carrier

OEM Carrier Dual Pressure Switch Assembly HK06NB020 — PG92SBS48080BAAA

SKU: CARRIE-PG92SBS48080BAAA-PRESSURE_SWITCH-HK06NB020 Brand: Carrier
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OEM Carrier Dual Pressure Switch Assembly HK06NB020 for Model PG92SBS48080BAAA

This OEM dual pressure switch assembly (part number HK06NB020) is the factory-specified replacement for the Carrier PG92SBS48080BAAA 92% AFUE gas furnace. The pressure switch monitors negative pressure created by the inducer draft motor to verify safe flue operation before allowing the ignition sequence to proceed. When either switch fails — or when the inducer, flue, or condensate system is compromised — the switch opens the control circuit, preventing ignition and triggering a system lockout. Common failure symptoms include: furnace attempts to start but shuts off before ignition, a blinking fault code indicating a pressure switch error, or a furnace that runs the inducer continuously but never advances to heat.

  • Specs: Dual pressure switch assembly | Factory-calibrated W.C. (water column) rating | 24V control circuit | Replaces OEM part HK06NB020 (current replacement: HK06MB020) | Also pairs with secondary gas pressure switch HK02LB008 on LP/propane-configured units
  • OEM vs Generic: OEM pressure switches are factory-calibrated to the exact W.C. setpoint required by this furnace model. Generic substitutes often use wider tolerance ranges, risking nuisance lockouts or — more critically — allowing ignition under unsafe draft conditions.
  • Install difficulty: 3/5 — Turn off power and gas before beginning. Tools needed: 1/4" nut driver, flathead screwdriver, manometer (recommended to verify draft pressure after installation). Inspect rubber hose connections for cracks before reinstalling. Always clear fault codes from the control board after replacing.
  • Warranty: 1-year OEM factory warranty. In-stock units ship same business day from our warehouse.

Compatibility: Fits Carrier model PG92SBS48080BAAA 92% AFUE packaged gas furnace. If your unit is configured for LP/propane, also verify the companion gas pressure switch HK02LB008. Confirm your existing switch's W.C. rating on the data plate or switch label before ordering. Our fitment team is available to verify compatibility — reach out before you order if you have any doubts. Order by 3 PM local time and your part ships today.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $99
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Pressure Switch fit my Carrier OEM Carrier Dual Pressure Switch Assembly HK06NB020 — PG92SBS48080BAAA?
Yes. This is the factory-specified OEM pressure switch for the Carrier OEM Carrier Dual Pressure Switch Assembly HK06NB020 — PG92SBS48080BAAA. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the pressure switch on my Carrier OEM Carrier Dual Pressure Switch Assembly HK06NB020 — PG92SBS48080BAAA?
Difficulty: Medium (20–30 min)
Step 1: Turn off power. Step 2: Locate pressure switch near draft inducer. Step 3: Note tubing orientation. Step 4: Disconnect tubing and wires. Step 5: Remove screw, install new switch. Step 6: Reconnect tubing and wires, restore power.
My furnace shows a pressure switch error. What do I replace?
Furnace LED showing pressure switch error = switch not detecting draft inducer airflow. Try first: clear the rubber tubing to the switch (often clogged with condensation). If problem persists, replace the pressure switch.
Is this pressure switch compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier pressure switch?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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