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OEM Payne Pressure Switch PAY-PS-1800 for Model PA12NA01800GAGAA
Payne

OEM Payne Pressure Switch PAY-PS-1800 for Model PA12NA01800GAGAA

SKU: payne-pressure-switch-pa12na01800gagaa Brand: Payne
$48.95

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 PAY-PS-1800 for Model PA12NA01800GAGAA

This OEM Payne pressure switch (PAY-PS-1800) is a critical safety control on your PA12NA01800GAGAA air conditioner, monitoring refrigerant pressure and shutting the system down before damaging high or low pressure conditions can harm the compressor. When this switch fails, you may see the unit short-cycling, refusing to start, or tripping on a pressure fault. This factory-matched replacement uses the exact pressure trip and reset points specified for your model, ensuring proper protection and reliable operation. Installation is straightforward: shut off power, recover or isolate refrigerant per code if required, unthread the old switch, and connect the new one with its quick-connect terminals — a job most technicians complete in 20 to 30 minutes. Using the correct OEM switch prevents nuisance trips and guards your most expensive component. Genuine Payne build quality means dependable cut-out accuracy over the life of your system. In stock now — orders placed before 3PM CST ship the same day so you can get cooling restored fast.

Compatibility

This part is compatible with Payne model PA12NA01800GAGAA.

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 PA12NA01800GAGAA?
Yes. This is the factory-specified OEM pressure switch for the Payne Model PA12NA01800GAGAA. 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 PA12NA01800GAGAA?
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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