this Class 2 transformer provides the necessary current for thermostats

providing superior resistance to moisture and environmental stressors

this component is frequently used in #70 and #71 pilot usage scenarios

Standard Electrical Specs: Operates on common 120V circuits for broad industrial application

effectively protecting sensitive downstream Class 2 electronics

Lennox 79J21 Ignitor this Class 2 transformer providesThe Lennox 79J21 Ignitor is a heavy duty, genuine OEM electrode designed specifically for high demand residential and commercial furnace applications. As a dual purpose Lennox spark ignitor and flame sensor, this component provides the high voltage arc necessary for rapid gas ignition while simultaneously monitoring the burner flame to ensure safe, continuous operation. This furnace ignitor replacement is built using a glazed L 5 steatite insulator