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Furnace Flame Sensor — Carrier Bryant Payne LH680014 Universal Replacement
National HVAC Parts

Furnace Flame Sensor — Carrier Bryant Payne LH680014 Universal Replacement

SKU: NHVAC-FS-CARRIER Brand: National HVAC Parts
$11.99
Market price $14.10
SAVE $2.11 (15%) vs market
Genuine National HVAC Parts OEM part · Guaranteed to fit your unit

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

Replacement flame sensor for Carrier, Bryant, Payne, and Day & Night furnaces. Compatible with OEM part numbers LH680014 and LH680534.

  • OEM Part: LH680014, LH680534
  • Fits: Carrier, Bryant, Payne, Day & Night
  • Material: Stainless steel with ceramic insulator
  • Warranty: 1-year replacement warranty

Install difficulty: 1/5 — 1 screw, pull and swap. 3 minutes.

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 $99
  • 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 info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Flame Sensor fit my National HVAC Parts Furnace Flame Sensor — Carrier Bryant Payne LH680014 Universal Replacement?
Yes. This is the factory-specified OEM flame sensor for the National HVAC Parts Furnace Flame Sensor — Carrier Bryant Payne LH680014 Universal Replacement. 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 National HVAC Parts Furnace Flame Sensor — Carrier Bryant Payne LH680014 Universal Replacement?
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.
Will this flame sensor fit brands other than National HVAC Parts? +
Cross-brand compatibility varies by part. The safest method is matching the exact OEM part number stamped on your old part. If you are unsure, email info@nationalhvacparts.com with your equipment model number and we will verify the correct replacement before you order.
Should I use OEM or aftermarket for my National HVAC Parts 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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Mike Rivera
HVAC Parts Specialist — Online