Rendrox 21D83M-843 Control Board Compatible with Lennox White Rodger's

24L8501 - Lennox OEM Replacement Furnace Control Board

100973-01 - Lennox OEM Replacement Furnace Control Board

24L8501 GUARANTEED WORKING TESTED GOOD Gas furnace control board 50A62-121

White-Rodger’s 21D83M-843 Furnace Control Board

White-Rodgers Integrated Furnace Control Board 21D83M-843/ Rendrox 32M8801 New