19W61 – IGNITOR (95V, LENNOX, AFTERMARKET, DIRECT, SSN21)

If your furnace won’t light or only clicks without igniting, the hot surface ignitor is usually the fix. This 95V silicon nitride ignitor is a direct replacement for Lennox furnaces using part 19W61.

Specs: 95V, silicon nitride element. SSN21. Replaces Lennox 19W61 and 75M21.

Replaces: 19W61, 75M21, SSN21

Fits: Lennox gas furnaces using ignitor 19W61 or 75M21.

Need help? See our Furnace Not Heating Guide.

In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.

Cross-reference numbers

This part replaces the following OEM and aftermarket numbers:

• 19W61
• SSN21

Not sure if your number matches? Call (214) 340-9421 or bring the old part in — bench-testing is free.