Silicon Nitride Hot Surface Furnace Igniter fits Lennox, 80M29, SN080KX

Furnace Igniter | Surface Igniter® SN080KX | 120V Silicon Nitride | OEM-Grade Replacement

Restore reliable ignition with this high-performance 120V silicon nitride hot surface igniter from Surface Igniter LLC. Engineered to replace OEM part numbers used in Lennox®, Armstrong®, and Ducane® furnaces, this igniter delivers fast, consistent startup and long service life in demanding HVAC environments.

Product Features:

• ✅ Model: SN080KX
• ⚡ Voltage: 120V
• Material: Silicon Nitride Ceramic
• Ignition Type: Hot Surface Ignition (HSI)
• Connector: OEM-style plug for easy installation
• Condition: Brand New – Unused
• ✅ Certifications: CSA-approved, RoHS & REACH compliant

Replaces Part Numbers:

SN080KX, 80M29, 601 1038, 80M2901, 20434202

✅ Compatible Furnace Models:

AF90MPE075U2-B 1, AF90MPE075U3-B 1, AF90MPE100U3-B 1, AF90MPE125U5-B 1, AF92MPB075C3 1, AF92MPE075U3 1, AF92MPE100U3 1, AF92MPE100U4 1
Fits select Lennox®, Armstrong®, and Ducane® gas furnaces. Please verify your model number and part number before ordering.

Common Fixes:

• ❌ Furnace fails to ignite or startup is delayed
• ⚠️ No heat or intermittent heating cycles
• Error codes related to ignition failure
• Upgrade for consistent ignition and long-lasting performance

️ Installation Tips:

• Disconnect power and gas supply before servicing appliance
• Locate igniter near burner assembly
• Remove mounting screw and disconnect plug
• Avoid touching ceramic tip—handle by base only
• Install new igniter and test startup cycle

Ignite with confidence. Heat with consistency. Restore your furnace with a high-quality OEM-grade igniter.