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OEM Payne Pressure Switch Replacement for Model PA12NA036000AAAA
Payne

OEM Payne Pressure Switch Replacement for Model PA12NA036000AAAA

SKU: payne-pressure-switch-pa12na036000aaaa Brand: Payne
$44.95

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 Replacement for Model PA12NA036000AAAA

Safeguard your Payne PA12NA036000AAAA condensing unit with this genuine OEM pressure switch. The pressure switch continuously monitors system refrigerant pressure and shuts the compressor off if it detects an unsafe high- or low-pressure condition caused by airflow blockage, undercharge, or fan failure. When the switch fails or sticks, you may see nuisance lockouts, short cycling, or a compressor that won't start at all. This OEM part is calibrated to the precise trip and reset points engineered for your PA12NA036000AAAA, delivering reliable protection without false trips. Installation is a manageable repair of about 20-30 minutes — the switch mounts to a refrigerant port and connects with quick-disconnect terminals. Many use a Schrader-style fitting that limits refrigerant loss, but always disconnect electrical power first, follow correct safety procedures, and verify whether refrigerant recovery is needed for your setup. A new safety switch restores dependable cooling and protects your compressor investment. In stock and ships same-day on orders placed before 3PM CST.

Compatibility

This part is compatible with Payne model PA12NA036000AAAA.

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 PA12NA036000AAAA?
Yes. This is the factory-specified OEM pressure switch for the Payne Model PA12NA036000AAAA. 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 PA12NA036000AAAA?
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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