Lochinvar & A.O. Smith 100165925 Ignitor R-22 Factory-Installed Solenoid: Includes the 24V

Factory-Installed Solenoid: Includes the 24V coil pre-mounted

It requires a 24Vac power input and is designed for standard low-voltage control circuits

Heavy-duty aluminum construction provides the rigidity required to prevent blade flex

Field-made wiring often lacks the proper gauge and terminal crimp integrity required for UL-rated system performance

Lochinvar & A.O. Smith 100165925 Ignitor R-22 Factory-Installed Solenoid: Includes the 24VThe 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