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Lennox

OEM Lennox Spark Electrode Ignitor — 14K99

SKU: LNX-14K99 Brand: Lennox
$29.95 $39.95

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

The genuine OEM Lennox 14K99 spark electrode ignitor generates the high-voltage spark that lights the burners each time your Lennox furnace calls for heat. Its electrode gap, ceramic insulator, and mounting bracket are built to factory tolerances, delivering a consistent, correctly positioned spark for dependable ignition and, on many models, accurate flame sensing.

When a spark electrode wears out you may hear repeated clicking with no ignition, experience delayed lights that produce a small boom, or find the furnace locking out after several failed attempts. A cracked ceramic, eroded electrode tip, or carbon-fouled surface weakens or misdirects the spark, leaving burners unlit and the home cold.

Choosing the OEM 14K99 matters because the spark must jump a precise gap at the exact burner location for safe, reliable light-off. Aftermarket electrodes with incorrect geometry can cause misfires, delayed ignition, and premature lockouts. The factory part restores proper spark placement and consistent starting, protecting your Lennox burner assembly and warranty.

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

Frequently Asked Questions

Does this Igniter fit my Lennox OEM Lennox Spark Electrode Ignitor — 14K99?
Yes. This is the factory-specified OEM igniter for the Lennox OEM Lennox Spark Electrode Ignitor — 14K99. 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 igniter on my Lennox OEM Lennox Spark Electrode Ignitor — 14K99?
Difficulty: Medium (20–30 min)
Step 1: Turn off power and gas. Step 2: Open furnace panel. Step 3: Locate igniter near burners. Step 4: Disconnect two-wire plug. Step 5: Remove mounting screw. Step 6: Install new igniter — do NOT touch element with fingers. Step 7: Reconnect, close panel, restore power/gas.
My furnace won’t ignite. What part is bad?
Furnace won’t ignite after the draft inducer runs = failed igniter. The hot surface igniter should glow bright orange within 60 seconds. No glow = cracked/burned out. Weak glow = degrading. Average lifespan: 3–7 years. Replacement: $15–$40 DIY.
Is this igniter compatible with Bryant or Payne too?
Many Lennox 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 Lennox igniter?
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