Lochinvar & A.O. Smith 100074640 Ignitor 319825-402 This 208-240V permanent split capacitor

This 208-240V permanent split capacitor motor operates at a nominal 1550 RPM

Moving to a 2-pole contactor allows for breaking both legs of the power supply

replacing the entire assembly is often the standard practice to ensure long-term reliability and compliance with original equipment manufacturer specifications

Flexible Connectivity: Standard barbed fitting ensures a secure grip on pneumatic tubing

Duty-Cycle Durability: Engineered for 460V single phase systems

Lochinvar & A.O. Smith 100074640 Ignitor 319825-402 This 208-240V permanent split capacitorThe Lochinvar & A. O. Smith 100074640 Ignitor is a critical genuine OEM ignition component engineered for high efficiency condensing water heaters and commercial boiler systems. Built to survive the rigorous thermal cycling of modern hydronic equipment, this black box ignitor assembly provides the high voltage spark necessary for consistent burner ignition and reliable system startup. As a standard replacement for Lochinvar Knight boilers and A. O.