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OEM Payne Pressure Switch HK06WC078 for Model PA12NA04200GAHAA
Payne

OEM Payne Pressure Switch HK06WC078 for Model PA12NA04200GAHAA

SKU: payne-pressure-switch-pa12na04200gahaa Brand: Payne
$36.95

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

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OEM Payne Pressure Switch HK06WC078 for Model PA12NA04200GAHAA

This OEM Payne pressure switch (HK06WC078) safeguards your air conditioning system by continuously monitoring refrigerant pressure and disabling the compressor if it reaches an unsafe high or low limit. Engineered as a factory-direct replacement for the Payne PA12NA04200GAHAA condenser, it protects your compressor and coil from damage caused by overcharging, dirty coils, blocked airflow, or refrigerant leaks. A faulty pressure switch can cause no-cooling conditions, nuisance trips, or a unit that won't start—installing a genuine replacement restores proper protected operation. This is a moderate-difficulty repair: turn off power at the disconnect, isolate or recover refrigerant as needed, remove the wiring leads, unthread the old switch, and install the new one with correct sealing. If you're not experienced with sealed refrigerant systems, we recommend a licensed HVAC technician. OEM parts guarantee accurate trip thresholds and an exact fit your system was engineered for. In stock now—place your order before 3PM CST and it ships the same business day for fast delivery and minimal downtime.

Compatibility

This part is compatible with Payne model PA12NA04200GAHAA.

Shipping

Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.

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 Model PA12NA04200GAHAA?
Yes. This is the factory-specified OEM pressure switch for the Payne Model PA12NA04200GAHAA. 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 Model PA12NA04200GAHAA?
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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