Lochinvar & A.O. Smith 100109879 Ignition Module 320819-301 Bypassing a safety limit is

Bypassing a safety limit is never recommended in a live environment

It fits directly onto the packing nut

high-grade industrial materials designed to withstand the thermal stress and constant vibration common in residential and commercial gas furnaces

ensuring a drop-in fit without the need for field modifications

Integrated piezo igniter simplifies the pilot lighting process and reduces the need for external ignition tools

Lochinvar & A.O. Smith 100109879 Ignition Module 320819-301 Bypassing a safety limit isThe 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