Nordyne 903110A Miller Gas Furnace Spiral HSI

120V Nordyne ignitor for hot surface ignition (HSI) systems. This nitride igniter now replaces the old silicone carbide ignitor. Nitride is designed to withstand more abuse and last longer. It will mount the same as your old.

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.