Nordyne ignitor for hot surface ignition (HSI) systems. This 120V nitride igniter now replaces the old silicone carbide ignitor. Nitride is designed to withstand more abuse and last longer. Installs the same as your old igniter.
Ignitor glows to light flame on burner. It's also a flame sensor and will send signal to control board to shut down furnace if no flame is detected.
Replaces 9031100, 903110, 632313 & 632313c.