White-Rodgers 21D83M-843 Surelite Ignition Board, Hot Surface Ignition, Lennox

White-Rodgers 21D83M-843 Surelite Ignition Control Board Replacement. The kit includes the 50A66-843 which is an automatic gas interrupted ignition control that employs a microprocessor to continually monitor, analyze, and control the proper operation of the gas burner, inducer, and fan. These controls incorporate system fault analysis for quick gas flow shut-off, coupled with automatic ignition retry upon sensing a fault correction. Replaces 97L48, 97L4801, 24L85, 24L8501, 56L83, 56L8301, 63K89, 63K8901, 83M00, 83M001. Also replaces 69M08, 69M0801, 32M88, 32M8801, 10M93, 10M9301, 56L84, 56L8401, 12L69 & 12L6901, LB-109531A. Includes Kit includes: 1 – 50A66-843 ignition control board 1 – Wiring harness (9-pin…