This 301 Stainless Steel diaphragm provides the necessary flexibility and tensile strength required to actuate the pilot mechanism in steam pressure reducing stations

and MP904 series pneumatic operators

effectively protecting sensitive downstream Class 2 electronics

this Class 2 transformer provides the necessary current for thermostats

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

Lennox 79J21 Ignitor This 301 Stainless Steel diaphragmThe 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