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OEM Payne Pressure Switch High/Low for PA13NR06000GAHAA
Payne

OEM Payne Pressure Switch High/Low for PA13NR06000GAHAA

SKU: PAYNE-PA13NR06000GAHAA-PRESSURE_SWITCH-HK02ZA395 Brand: Payne

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

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OEM Payne High & Low Pressure Switch for Model PA13NR06000GAHAA

This OEM pressure switch is the factory-specified replacement for the Payne PA13NR06000GAHAA packaged air conditioning unit. The pressure switch monitors refrigerant circuit pressures — the high pressure switch (HK02ZA395) protects the compressor from dangerously elevated head pressure, while the low pressure switch (HK02ZB028) guards against loss of refrigerant charge or evaporator freeze conditions. When either switch fails or trips, the system will lock out, refuse to start, or shut down mid-cycle to prevent compressor damage. Common symptoms include the unit not cooling, compressor short-cycling, or fault codes indicating a pressure trip on the control board.

  • Specs: OEM part numbers HK02ZA395 (High Pressure Switch) and HK02ZB028 (Low Pressure Switch) | Factory-calibrated trip and reset points | Designed for R-410A refrigerant circuit | Direct plug-in wiring harness connector
  • OEM vs Generic: OEM pressure switches are factory-calibrated to exact trip thresholds for the PA13NR06000GAHAA refrigerant circuit. Aftermarket switches frequently deviate in setpoint accuracy, risking nuisance trips or — worse — delayed shutoff that damages the compressor.
  • Install difficulty: 3/5 — Refrigerant circuit work should be performed by an EPA 608-certified technician. Tools needed: manifold gauge set, multimeter, screwdrivers, and wiring diagram. Always recover refrigerant per EPA regulations before opening the refrigerant circuit if replacement requires line access.
  • Warranty: 1-year OEM factory warranty. Ships same business day from our climate-controlled warehouse.

Compatibility: Engineered exclusively for the Payne PA13NR06000GAHAA packaged air conditioning unit. Verify the failed switch against OEM part numbers HK02ZA395 or HK02ZB028 on your unit's wiring diagram or data plate before ordering. Not sure which switch you need? Our HVAC parts specialists will verify fitment before you order — in stock and ready to ship 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 PA13NR06000GAHAA?
Yes. This is the factory-specified OEM pressure switch for the Payne PA13NR06000GAHAA. 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 PA13NR06000GAHAA?
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.
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