or heavy carbon buildup that prevents a strong spark from jumping to the burner surface

50" WC to ensure accurate negative pressure detection in the combustion chamber

While soot can sometimes be removed with an abrasive pad

As the direct replacement for S1-025-49718-000

Lochinvar & A.O. Smith 100165924 Ignitor 30067439-890 or heavy carbon buildup thatThe Lochinvar & A. O. Smith 100165924 Ignitor is a critical combustion component engineered for high output gas fired heating systems. Specifically designed for compatibility with the Lochinvar Crest series (FBN2500FBN3500) and FTXL models (FTX400850), this ignitor ensures rapid heat up and stable flame initiation in commercial boiler parts applications. Also known by the PLT30004 cross reference, this 1 2" NPT assembly is a direct replacement for