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OEM Carrier Flame Sensor LH33WZ511 for Model GB1AAV036090AAJA
Carrier

OEM Carrier Flame Sensor LH33WZ511 for Model GB1AAV036090AAJA

SKU: carrier-undefined-gb1aav036090aaja 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 LH33WZ511 for Model GB1AAV036090AAJA

This genuine OEM Carrier flame sensor (LH33WZ511) ensures safe, reliable ignition on your GB1AAV036090AAJA gas furnace. The flame sensor uses flame rectification to verify the burners have lit after the igniter fires. If no flame is sensed within a few seconds, the control board closes the gas valve to prevent unburned gas buildup. Over time the sensor rod accumulates an oxide and carbon film that weakens the microamp signal, causing the furnace to light then shut down seconds later, a classic short-cycle and lockout symptom. Installing this OEM sensor restores a strong, stable flame signal matched to the GB1AAV036090AAJA control circuit. The repair is an easy DIY job: shut off power and gas, remove the single mounting screw, unplug the lead, and set the new sensor in the same position near the burner flame. Most jobs take about 15 minutes with a nut driver. A genuine OEM flame sensor outlasts and outperforms generic rods and bolt-on substitutes. In stock and ships same-day when ordered before 3PM CST.

Compatibility

This part is compatible with Carrier model GB1AAV036090AAJA.

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 GB1AAV036090AAJA?
Yes. This is the factory-specified OEM flame_sensor for the Carrier Model GB1AAV036090AAJA. 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 GB1AAV036090AAJA?
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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