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OEM Carrier Furnace Flame Sensor for Model GB1AAV042091AEJA
Carrier

OEM Carrier Furnace Flame Sensor for Model GB1AAV042091AEJA

SKU: carrier-undefined-gb1aav042091aeja Brand: Carrier
$34.95

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

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OEM Carrier Furnace Flame Sensor for Model GB1AAV042091AEJA

This OEM Carrier flame sensor verifies that a flame is actually present after ignition on your GB1AAV042091AEJA gas furnace, a critical safety function that shuts off gas if no flame is detected. Over time the sensor rod accumulates a silicon-oxide coating that weakens its microamp signal, causing the furnace to light briefly then shut down — the classic short-cycling complaint. When cleaning no longer restores a reliable signal, replacement is the fix. This genuine Carrier-specified sensor is built to the correct rod length and mounting geometry for your burner assembly, ensuring proper flame rectification. Installation is an easy DIY task: turn off power and gas, remove the single mounting screw, disconnect the sensor wire, install the new sensor, and reconnect. Most replacements take 15 minutes. Using the OEM sensor guarantees the precise positioning the flame requires for a stable signal. In stock and ships same-day when you order before 3PM CST, so you can stop the short-cycling fast. Order now to restore safe, continuous heating.

Compatibility

This part is compatible with Carrier model GB1AAV042091AEJA.

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 GB1AAV042091AEJA?
Yes. This is the factory-specified OEM flame_sensor for the Carrier Model GB1AAV042091AEJA. 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 GB1AAV042091AEJA?
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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