What igniter fits my Lennox furnace?

The correct replacement for Lennox model OEM Lennox Hot Surface Ignitor — 80M29 is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Lennox equipment which lists the model number OEM Lennox Hot Surface Ignitor — 80M29.

My furnace will not ignite. What part is bad?

A furnace that will not ignite after the draft inducer runs typically has a failed igniter. The hot surface igniter should glow bright orange within 60 seconds. If it does not glow at all, it is cracked or burned out. If it glows weakly, it is degrading and should be replaced preventively. Average lifespan: 3 to 7 years.

Lennox

OEM Lennox Hot Surface Ignitor — 80M29

Name: OEM Lennox Hot Surface Ignitor — 80M29
Brand: Lennox
SKU: LNX-80M29
Price: 29.95 USD
Availability: InStock

SKU: LNX-80M29 Brand: Lennox

$29.95 $39.95

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

The genuine OEM Lennox 80M29 is a hot surface ignitor (HSI) that lights your furnace burners at the start of every heating cycle. When the control board calls for heat, current passes through the ignitor element and heats it to a glowing temperature hot enough to ignite the gas as the valve opens. It is a direct-fit replacement engineered to the exact resistance and mounting specification of your Lennox furnace.

A failing hot surface ignitor is one of the most common causes of a no-heat furnace. Watch for an ignitor that no longer glows, visible cracks or hot spots on the element, a furnace that clicks but never lights, or repeated ignition lockouts after several failed attempts. Because the element is brittle, it can also fail from age, moisture, or vibration.

The OEM Lennox 80M29 is matched to the correct voltage, resistance, and glow temperature your furnace's control sequence expects. Universal ignitors often need adapter brackets, run hotter or cooler than spec, and burn out prematurely. A genuine OEM ignitor drops in cleanly, ignites reliably on the first try, and preserves your Lennox warranty for a low-cost, high-impact repair.

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

OEM Lennox Hot Surface Ignitor —...

$29.95

Frequently Asked Questions

Does this Igniter fit my Lennox OEM Lennox Hot Surface Ignitor — 80M29?

Yes. This is the factory-specified OEM igniter for the Lennox OEM Lennox Hot Surface Ignitor — 80M29. 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 Hot Surface Ignitor — 80M29?

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.

Menu

OEM Lennox Hot Surface Ignitor — 80M29

Shipping Information

Return Policy

Frequently Asked Questions