Lochinvar & A.O. Smith 100109879 Ignition Module 318973-401 application-specific wiring harnesses

application-specific wiring harnesses

critical for precise air handling control

This OEM replacement is commonly used in select Rheem and Ruud residential and light commercial condensing units where the original fan blade specifications match exactly

Common Questions: Can I use the 720-079 to replace a slow-opening valve

reducing hunting and improving overall system COP

Lochinvar & A.O. Smith 100109879 Ignition Module 318973-401 application-specific wiring harnessesThe Lochinvar & A. O. Smith 100109879 Ignition Module is a critical OEM replacement part designed for high efficiency gas fired boiler and water heater systems. As a veteran grade intermittent pilot ignition (IID) control, this 6 pin module manages the electrical sequence of the pilot light and main burner, ensuring precise timing and safe operation. It integrates a sophisticated flame sensing circuit to prevent hazardous gas accumulation by