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OEM Carrier Flame Sensor LH680534 for Model GB3AAV048075AAJA
Carrier

OEM Carrier Flame Sensor LH680534 for Model GB3AAV048075AAJA

SKU: carrier-undefined-gb3aav048075aaja Brand: Carrier
$24.95

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

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OEM Carrier Flame Sensor LH680534 for Model GB3AAV048075AAJA

This OEM Carrier LH680534 flame sensor confirms that the burners are actually burning in your GB3AAV048075AAJA furnace by using flame rectification to feed a small microamp signal to the control board. If genuine flame isn't sensed within a few seconds of ignition, the board immediately closes the gas valve to stop the flow of unburned gas—making this slender rod one of the furnace's most essential safety devices. As a genuine Carrier part, the LH680534 is manufactured to the exact length and conductivity specs of the GB3AAV048075AAJA for precise, dependable detection. A dirty or worn flame sensor is the leading cause of short cycling, where the burners light and then shut off seconds later. Replacement is a simple DIY task: remove one screw, swap the sensor, and reconnect the lead in roughly 10 minutes. Order before 3PM CST and it ships same-day. Get reliable heat back with this factory-authorized Carrier flame sensor engineered specifically for your unit.

Compatibility

This part is compatible with Carrier model GB3AAV048075AAJA.

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 GB3AAV048075AAJA?
Yes. This is the factory-specified OEM flame_sensor for the Carrier Model GB3AAV048075AAJA. 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 GB3AAV048075AAJA?
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.
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