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OEM Carrier Flame Sensor LH680534 for GB1AAV048090AAJA
Carrier

OEM Carrier Flame Sensor LH680534 for GB1AAV048090AAJA

SKU: carrier-undefined-gb1aav048090aaja Brand: Carrier
$18.95

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 GB1AAV048090AAJA

This OEM Carrier flame sensor (part LH680534) is the slim metal rod that proves a flame is present on your GB1AAV048090AAJA furnace, telling the control board it's safe to keep the gas valve open. When the sensor is coated in oxidation, your furnace lights for a few seconds then shuts off and retries — the classic short-cycle no-heat complaint. While cleaning sometimes helps, a pitted or cracked sensor must be replaced to restore a stable flame signal. This genuine Carrier sensor delivers the precise microamp output your control board expects, ending the false flame-loss lockouts that off-brand rods often trigger. It mounts with a single screw in the original location and connects to the existing lead. Installation is easy — power off, remove one screw, unplug the wire, and seat the new sensor without touching the rod with bare fingers. Most homeowners finish in 10 to 15 minutes. It's smart to keep a spare on hand since this is a common wear item. Order before 3PM CST and your flame sensor ships same-day.

Compatibility

This part is compatible with Carrier model GB1AAV048090AAJA.

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 GB1AAV048090AAJA?
Yes. This is the factory-specified OEM flame_sensor for the Carrier GB1AAV048090AAJA. 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 GB1AAV048090AAJA?
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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