Same-day shipping on orders before 3PM CST · 15,000+ OEM Parts In Stock · Carrier · Bryant · ICP · Heil · Tempstar
Track Order | 1-800-NHP-HVAC | Trade Accounts

Menu

Home Shop All Account Cart
Home / OEM Payne Low Pressure Switch HK02ZB0...
OEM Payne Low Pressure Switch HK02ZB028 for PA13NR01800GAJAA
Payne

OEM Payne Low Pressure Switch HK02ZB028 for PA13NR01800GAJAA

SKU: PAYNE-PA13NR01800GAJAA-PRESSURE_SWITCH-HK02ZB028 Brand: Payne

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

OEM Payne Low Pressure Switch HK02ZB028 for Model PA13NR01800GAJAA

This OEM low pressure switch (part number HK02ZB028) is the factory-specified replacement for the Payne PA13NR01800GAJAA air conditioner. The pressure switch is a critical safety component that monitors the inducer motor and venting system by sensing negative pressure (measured in inches of water column). If the switch fails to close — or is stuck open — the control board will lock out the ignition sequence entirely, leaving you with no heat and often a blinking fault code on the board.

  • Specs: Low pressure switch | OEM part number HK02ZB028 | Factory-calibrated W.C. (water column) rating | Replaces original switch exactly — no field adjustment required
  • OEM vs Generic: OEM pressure switches are calibrated to the exact water column rating specified for this unit. Generic substitutes are frequently mis-rated, causing nuisance lockouts or — worse — failing to detect a true venting obstruction, creating a safety hazard.
  • Install difficulty: 2/5 — Turn off power and gas before beginning. Tools needed: flathead screwdriver, needle-nose pliers, multimeter (to confirm open/close function). Disconnect the rubber hose and two wire leads, swap the switch, and reconnect. Always clear any fault codes after replacement.
  • Warranty: 1-year OEM factory warranty. In stock and ships same business day from our warehouse.

Compatibility: Designed and factory-matched for the Payne PA13NR01800GAJAA split-system unit. Verify your existing switch's W.C. rating and hose port configuration against your unit's data plate and wiring diagram before ordering. Our fitment team is available to confirm compatibility before you buy — 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 $75
  • 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 support@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Pressure Switch fit my Payne PA13NR01800GAJAA?
Yes. This is the factory-specified OEM pressure switch for the Payne PA13NR01800GAJAA. 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 Payne PA13NR01800GAJAA?
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 Payne 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 Payne 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.
Home Shop Search Account Cart