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 Carrier Flame Sensor for Model FP...
OEM Carrier Flame Sensor for Model FPAA125D34CN Gas Furnace Air Handler
Carrier

OEM Carrier Flame Sensor for Model FPAA125D34CN Gas Furnace Air Handler

SKU: carrier-undefined-fpaa125d34cn Brand: Carrier
$29.95

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 Carrier Flame Sensor for Model FPAA125D34CN Gas Furnace Air Handler

This OEM Carrier flame sensor is the safety component that confirms a flame is present after ignition in your FPAA125D34CN furnace. It sends a microamp signal to the control board so the gas valve stays open only when burners are actually lit. A dirty, corroded, or failed flame sensor is the leading cause of short-cycling, where the furnace lights briefly then shuts off, or fails to maintain heat. Replacing it with a genuine Carrier-spec sensor restores reliable flame proving so your furnace runs full heating cycles safely. This sensor is matched to the FPAA125D34CN for an exact fit and correct mounting position. Installation is beginner-friendly and typically takes 15 to 20 minutes; shut off power and gas, remove the single mounting screw, and swap in the new sensor, routing the wire to the control board. Genuine Carrier quality ensures a dependable signal and proper flame detection. In stock and ships same-day when ordered before 3PM CST, restoring safe, steady heat quickly.

Compatibility

This part is compatible with Carrier model FPAA125D34CN.

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 flame_sensor fit my Carrier Model FPAA125D34CN Gas Furnace Air Handler?
Yes. This is the factory-specified OEM flame_sensor for the Carrier Model FPAA125D34CN Gas Furnace Air Handler. 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 flame_sensor on my Carrier Model FPAA125D34CN Gas Furnace Air Handler?
Difficulty: Easy (10–15 min)
Step 1: Turn off power/gas. Step 2: Open furnace panel. Step 3: Locate flame sensor rod near burners. Step 4: Remove single mounting screw. Step 5: Clean rod with 400-grit sandpaper until shiny (or replace). Step 6: Reinstall and tighten. Most common furnace repair — saves $150–$300 vs technician.
My furnace lights then shuts off after a few seconds. Why?
Furnace lights then shuts off after 3–10 seconds = dirty flame sensor in 90% of cases. The sensor can’t detect flame through oxidation buildup. Fix: clean with 400-grit sandpaper (free, 15 min). If cleaning doesn’t work, replace the sensor.
Is this flame_sensor compatible with Bryant or Payne too?
Many Carrier 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 Carrier flame_sensor?
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