Lennox 43L71 Wiring Harness 12-Pin Ignition Control

The Lennox 43L71 Wiring Harness is an ignition control harness with twelve pins. It serves as the interface that links the ignition control board with other units of the HVAC system. As a wiring harness, it gathers and shields the wires to provide efficient and safe electrical conduction for ignition control needed to start and operate the heating cycle. This wiring harness is for Lennox furnaces and other heating systems to enhance installation and system efficiency. The benefits are higher ignition reliability, less propensity for electrical shorts, and easier service.