Lochinvar & A.O. Smith 100274105 Igniter Assembly 318518-761 this 40VA unit provides the

this 40VA unit provides the necessary VA capacity to handle the inrush current of modern heating and cooling control circuits

the NEMA 4X rating ensures the housing is protected against windblown dust

Using natural gas components on LP systems creates a significant safety hazard due to different pressure and orifice requirements

Verify that the 24VAC control signal is reaching the valve terminals from the control board

Lochinvar & A.O. Smith 100274105 Igniter Assembly 318518-761 this 40VA unit provides theThe Lochinvar & A. O. Smith 100274105 Igniter Assembly is a critical combustion component engineered for high performance gas fired boilers and water heaters. As a veteran grade hot surface igniter, this assembly is designed to provide rapid, consistent ignition of the gas air mixture, ensuring a stable combustion cycle and reducing the risk of "flame fail" lockouts. This OEM replacement part includes a specialized gasket for igniter sealing,