Lennox 41K56 Hot Surface Ignitor Furnace Igniter 80V 92W

The Lennox 41K56 is a hot surface ignitor (also called a furnace igniter or HSI) for gas furnaces. When the furnace calls for heat, the ignitor heats up and lights the gas as it is released, which starts combustion. It is also listed as LB-109261A and 768A-4.

Key Features:

• Hot surface ignitor for gas furnace ignition
• 50/60 Hz

This is a direct replacement ignitor for a worn or cracked unit. Handle it carefully during installation and avoid touching the heating element.