When troubleshooting oil burner transformer failure

meeting ASME Standard CSD-1 requirements for secondary safety controls

a double retaining seal

Operating at 208-230 volts

Lochinvar & A.O. Smith 100165925 Ignitor R-410A When troubleshooting oil burner transformerThe Lochinvar & A. O. Smith 100165925 Ignitor is a critical OEM replacement part designed for high efficiency condensing boilers and commercial water heaters. This hot surface ignitor kit is engineered for precision performance in the Lochinvar Knight series (WHB 55 through 399) and A. O. Smith high input systems. The assembly utilizes high grade ceramic insulation and a robust heating element to ensure consistent spark ignition across varying gas