The kit consists of the following: 100870-03 (63W27) Control Board 100536-01 (19W61) Igniter Wiring Diagram Diagnostic Sticker 12 Pin Harness 5 Pin Harness 1 Wire Installation Instructions
IMPORTANT: Please provide your Lennox model number in the text box below. This is to minimize ordering errors.
This is an upgrade kit and is not identical to the original factory installed circuit board. Installation of some new wiring harness adapters are required. The ability to read schematics and understand wiring is required.