S1-254523100 – IGNITOR (YORK, AFTERMARKET, DIRECT, 789A-956A1)

If your furnace won’t light or only clicks without igniting, the hot surface ignitor is usually the fix. This silicon nitride ignitor is a direct replacement for York furnaces using part S1-254523100 or S1-02549808000.

Specs: 120V, silicon nitride element. White-Rodgers 789A-956A1.

Replaces: S1-254523100, S1-02545231000, S1-02549808000, 789A-956A1

Fits: York gas furnaces using ignitor S1-254523100.

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:

• S1-254523100

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