Lochinvar & A.O. Smith 100274105 Igniter Assembly 318518-761 Verify that the 24VAC control

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

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

High-Sensitivity Sensing: The coiled bulb space temperature control maximizes surface area for rapid response to ambient air changes

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

Engineered from corrosion-resistant materials

Lochinvar & A.O. Smith 100274105 Igniter Assembly 318518-761 Verify that the 24VAC controlThe 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,