Mini Nitride Hot Surface Igniter for Domestic Furnaces, SSN21

SSN21 Mini Nitride Hot Surface Igniter – 95V for Domestic Furnaces

Brand New – Fast Ignition, OEM-Compatible Replacement

Restore reliable furnace ignition with this high-performance Mini Nitride Hot Surface Igniter. Engineered for domestic heating systems, the SSN21 offers rapid heat-up and durable construction—ideal for replacing aging igniters in Lennox, Armstrong, and Coorstek units.

️ Product Highlights:

• Voltage: 95 VAC
• Amp Draw: 0.3 to 0.8A @ 95 VAC
• Time to Temp: 20 seconds
• Resistance: 50–450 Ohms @ 77°F (25°C)
• Material: Silicon Nitride – High heat resistance & long life
• Plug Type: 2-prong Molex connector – easy drop-in replacement
• Condition: Brand New – Unused

Replaces These Part Numbers:

• 75M21
• 483396

✅ Compatible Brands:

• Lennox
• Armstrong
• Coorstek
• Ducane

Common Symptoms Fixed:

• Furnace won’t ignite
• Ignition delay or failure
• High energy usage due to repeated ignition attempts
• Error codes related to igniter resistance or amp draw

Installation Tip: Always disconnect power before servicing. Match plug type and resistance range for proper fit.

Fast heat-up. Stable ignition. Built to last.