Lennox 20J90 Electrode Spark Ignitor, L-Style Furnace Ignitor

The Lennox 20J90 is an electrode (spark) ignitor for gas furnaces. It creates the spark that lights the burner during the ignition sequence. If your furnace clicks but won't light, a worn or damaged ignitor electrode is one possible cause.

Key Features:

• L-style spark electrode design
• Total ignitor length of 2-7/8 inches
• Bracket length of 2 inches
• Distance to the bend of 1-3/4 inches, and distance to the end of 1-1/8 inches
• Supplied as a single spark electrode ignitor

This Lennox spark electrode ignitor is a direct replacement part for a worn or failed ignitor electrode.