This is a BRAND NEW Lennox/Armstrong Furnace Spark Ignition Control Circuit Board.  The Part # is 12J99 (also 12J9901).  Thanks for looking and good luck!



Visit our eBay Store: NorthAmericaHVAC

Partial List of Lennox Units that use this Board:

26HWC123A-2, 38HWC123A-2, 38HWC243A-2, 51HWC243A-2, 64HWC243A-2, 51HWC303A-2, 64HWC303A-2, 26HWC123LA-2, 38HWC123LA-2, 38HWC243LA-2, 51HWC243LA-2, 64HWC243LA-2, 51HWC303LA-2, 64HWC303LA-2, 26HWC123HA-2, 38HWC123HA-2, 38HWC243HA-2, 51HWC243HA-2, 64HWC243HA-2, 51HWC303HA-2, 64HWC303HA-2, 26HWC123SA-2, 38HWC123SA-2, 38HWC243SA-2,51HWC243SA-2, 64HWC243SA-2, 51HWC303SA-2, 64HWC303SA-2, 51HWC303F-2, 38HWC183A-3,51HWC183A-3, 64HWC183A-3, 38HWC183LA-3, 51HWC183LA-3, 64HWC183LA-3, 38HWC183HA-3, 51HWC183HA-3, 64HWC183HA-3, 38HWC183SA-3, 51HWC183SA-3, 64HWC183SA-3, 38HWHA-10, 51HWHA-10, 64HWHA-10, 26HWC123NA-2, 38HWC123NA-2, 38HWC183NA-3, 38HWC243NA-2, 51HWC183NA-3, 51HWC243NA-2, 51HWC303NA-2, 64HWC183NA-3, 64HWC243NA-2, 64HWC303NA-2, 26HWC124A, 38HWC124A, 38HWC244A, 51HWC244A, 64HWC244A, 26HWC124LA, 38HWC124LA, 38HWC244LA, 51HWC244LA, 64HWC244LA, 26HWC124HA, 38HWC124HA, 26HWC124NA, 38HWC124NA, 38HWC184NA, 38HWC244NA, 51HWC184NA, 51HWC244NA, 64HWC184NA, 64HWC244NA-1, 38HWC244HA, 51HWC244HA, 64HWC244HA-2, 26HWC124SA-1, 38HWC124SA-1, 38HWC244SA-1, 51HWC244SA-1, 64HWC244SA-1, 38HWC184A, 51HWC184A, 64HWC184A, 38HWC184LA, 51HWC184LA, 64HWC184LA, 38HWC184HA, 51HWC184HA, 64HWC184HA, 38HWC184SA-1, 51HWC184SA-1, 64HWC184SA-1, 36MGE10A12A-1, 36MGE10A18A-1, 48MGE10A18A-1, 60MGE10A18A-1, 36MGE10A24A-1, 48MGE10A24A-1, 60MGE10A24A-1, 36MGE10A30A-1, 48MGE10A30A-1, 60MGE10A30A-1, 36MGE10A36A-1, 48MGE10A36A-1, 60MGE10A36A-1, 36MGE10A12NA-1, 36MGE10A18NA-1, 48MGE10A18NA-1, 60MGE10A18NA-1, 36MGE10A24NA-1, 48MGE10A24NA-1, 60MGE10A24NA-1, 36MGE10A30NA-1, 48MGE10A30NA-1, 60MGE10A30NA-1, 36MGE10A36NA-1, 48MGE10A36NA-1, 60MGE10A36NA-1, 36MGE10A12LA-1, 36MGE10A18LA-1, 48MGE10A18LA-1, 60MGE10A18LA-1, 36MGE10A24LA-1, 48MGE10A24LA-1, 60MGE10A24LA-1, 36MGE10A30LA-1, 48MGE10A30LA-1, 60MGE10A30LA-1, 36MGE10A36LA-1, 48MGE10A36LA-1, 60MGE10A36LA-1, 36MGE10B12A, 36MGE10B18A, 48MGE10B18A, 60MGE10B18A, 36MGE10B24A, 48MGE10B24A, 60MGE10B24A, 36MGE10B30A, 48MGE10B30A, 60MGE10B30A, 36MGE10B12NA, 36MGE10B18NA, 48MGE10B18NA, 60MGE10B18NA, 36MGE10B24NA, 48MGE10B24NA, 60MGE10B24NA, 36MGE10B30NA, 48MGE10B30NA, 60MGE10B30NA, 36MGE10B12LA, 36MGE10B18LA, 48MGE10B18LA, 60MGE10B18LA, 36MGE10B24LA, 48MGE10B24LA, 60MGE10B24LA, 36MGE10B30LA, 48MGE10B30LA, 60MGE10B30LA, 36MGE12A18A, 48MGE12A18A, 60MGE12A18A, 36MGE12A24A , 48MGE12A24A, 60MGE12A24A, 36MGE12A30A, 48MGE12A30A, 60MGE12A30A, 36MGE12A18NA, 48MGE12A18NA, 60MGE12A18NA, 36MGE12A24NA, 48MGE12A24NA, 60MGE12A24NA, 36MGE12A30NA, 48MGE12A30NA, 60MGE12A30NA, 36MGE12A18LA, 48MGE12A18LA, 60MGE12A18LA, 36MGE12A24LA, 48MGE12A24LA, 60MGE12A24LA, 36MGE12A30LA, 48MGE12A30LA, 60MGE12A30LA, PGE10B24D050A-3, PGE10B24D075A-3, PGE10B30D075A-3, PGE10B36D050A-3, PGE10C36D050B-6, PGE10B36D075A-3, PGE10C36D075B-6, PGE10B36D100A-3, PGE10C36D100B-6, PGE10B42D075A-3, PGE10B42D100A-3, PGE10B48D100A-3, PGE10C48D100B-6, PGE10B48D125A-3, PGE10C48D125B-6, PGE10B48D150A-3, PGE10C48D150B-6, PGE10B60D100A-3, PGE10C60D100B-6, PGE10B60D125A-3, PGE10C60D125B-6, PGE10B60D150A-3, PGE10C60D150B-6, PGE10B24D050LA-3, PGE10B24D075LA-3, PGE10B30D075LA-3, PGE10B36D050LA-3, PGE10C36D050LB-6, PGE10B36D075LA-3, PGE10C36D075LB-6, PGE10B36D100LA-3, PGE10C36D100LB-6, PGE10B42D075LA-3, PGE10B42D100LA-3, PGE10B48D100LA-3, PGE10C48D100LB-6, PGE10B48D125LA-3, PGE10C48D125LB-6, PGE10B48D150LA-3, PGE10C48D150LB-6, PGE10B60D100LA-3, PGE10C60D100LB-6, PGE10B60D125LA-3, PGE10C60D125LB-6, PGE10B60D150LA-3, PGE10C60D150LB-6, PGE10C48D100C-6, PGE10C48D125C-6,PGE10C48D150C-6, PGE10C48D100LC-6, PGE10C48D125LC-6, PGE10C48D150LC-6, PGE10C48D100D-6, PGE10C48D125D-6, PGE10C48D150D-6, PGE10C60D100C-6, PGE10C60D125C-6, PGE10C60D150C-6, PGE10C60D100LC-6, PGE10C60D125LC-6, PGE10C60D150LC-6, PGE10C60D100D-6, PGE10C60D125D-6, PGE10C60D150D-6, PGE10B30D050A-3, PGE10B30D050LA-3, PGE10C72D100B-6, PGE10C72D125B-6, PGE10C72D150B-6, PGE10C72D100LB-6, PGE10C72D125LB-6, PGE10C72D150LB-6, PGE10C72D100C-7, PGE10C72D125C-7, PGE10C72D150C-7, PGE10C72D100LC-7, PGE10C72D125LC-7, PGE10C72D150LC-7, PGE10C72D100D-6, PGE10C72D125D-6, PGE10C72D150D-6, RPG10B24D050A-8, RPG10B24D075A-8, RPG10B30D075A-8, RPG10B36D050A-8, RPG10C36D050B-8, RPG10B36D075A-8, RPG10C36D075B-8, RPG10B36D100A-8, RPG10C36D100B-8, RPG10B42D075A-8, RPG10B42D100A-8, RPG10B48D100A-8, RPG10C48D100B-8, RPG10B48D125A-8, RPG10C48D125B-8, RPG10B48D150A-8, RPG10C48D150B-8, RPG10B60D100A-8, RPG10C60D100B-8, RPG10B60D125A-8,RPG10C60D125B-8, RPG10B60D150A-8, RPG10C60D150B-8, RPG10B24D050LA-8, RPG10B24D075LA-8, RPG10B30D075LA-8, RPG10B36D050LA-8, RPG10C36D050LB-8, RPG10B36D075LA-8, RPG10C36D075LB-8, RPG10B36D100LA-8, RPG10C36D100LB-8, RPG10B42D075LA-8, RPG10B42D100LA-8, RPG10B48D100LA-8, RPG10C48D100LB-8, RPG10B48D125LA-8, RPG10C48D125LB-8, RPG10B48D150LA-8, RPG10C48D150LB-8, RPG10B60D100LA-8, RPG10C60D100LB-8, RPG10B60D125LA-8, RPG10C60D125LB-8, RPG10B60D150LA-8, RPG10C60D150LB-8, RPG10C48D100C-8, RPG10C48D125C-8, RPG10C48D150C-8, RPG10C60D100C-8, RPG10C60D125C-8, RPG10C60D150C-8, RPG10C48D100D-8, RPG10C48D125D-8, RPG10C48D150D-8, RPG10C60D100D-8, RPG10C60D125D-8, RPG10C60D150D-8, RPG10C48D100LC-8, RPG10C48D125LC-8, RPG10C48D150LC-8, RPG10C60D100LC-8, RPG10C60D125LC-8, RPG10C60D150LC-8, RPG10B30D050A-8, RPG10B30D050LA-8, RPG10C72D100B-8, RPG10C72D125B-8, RPG10C72D150B-8, RPG10C72D100LB-8, RPG10C72D125LB-8, RPG10C72D150LB-8, RPG10C72D100C-8, RPG10C72D125C-8, RPG10C72D150C-8, RPG10C72D100LC-8, RPG10C72D125LC-8, RPG10C72D150LC-8, RPG10C72D100D-8, RPG10C72D125D-8, RPG10C72D150D-8, SG10A24050, SG10A30050, SG10A60125, PGE10B24D050A-9, PGE10B24D075A-9, PGE10B30D050A-9, PGE10B30D075A-9, PGE10B36D050A-9, PGE10C36D050B-9, PGE10B36D075A-9, PGE10C36D075B-9, PGE10B36D100A-9, PGE10C36D100B-9, PGE10B42D075A-9, PGE10B42D100A-9, PGE10B48D100A-9, PGE10C48D100B-9, PGE10C48D100C-9, PGE10C48D100D-9, PGE10B48D125A-9, PGE10C48D125B-9, PGE10C48D125C-9, PGE10C48D125D-9, PGE10B48D150A-9, PGE10C48D150B-9, PGE10C48D150C-9, PGE10C48D150D-9, PGE10B60D100A-9, PGE10C60D100B-9, PGE10C60D100C-9, PGE10C60D100D-9, PGE10B60D125A-9, PGE10C60D125B-9, PGE10C60D125D-9, PGE10B60D150A-9, PGE10C60D150B-9, PGE10C60D150C-9, PGE10C60D150D-9, PGE10C72D100B-9, PGE10C72D100C-9, PGE10C72D100D-9, PGE10C72D125B-9, PGE10C72D125C-9, PGE10C72D125D-9, PGE10C72D150B-9, PGE10C72D150C-9, PGE10C72D150D-9, PGE10B24D050LA-9, PGE10B24D075LA-9, PGE10B30D050LA-9, PGE10B30D075LA-9, PGE10B36D050LA-9, PGE10C36D050LB-9, PGE10B36D075LA-9, PGE10C36D075LB-9, PGE10B36D100LA-9, PGE10C36D100LB-9, PGE10B42D075LA-9, PGE10B42D100LA-9, PGE10B48D100LA-9, PGE10C48D100LB-9, PGE10C48D100LC-9, PGE10B48D125LA-9, PGE10C48D125LB-9, PGE10C48D125LC-9, PGE10B48D150LA-9, PGE10C48D150LB-9, PGE10C48D150LC-9, PGE10B60D100LA-9, PGE10C60D100LB-9, PGE10C60D100LC-9, PGE10B60D125LA-9, PGE10C60D125LB-9, PGE10C60D125LC-9, PGE10B60D150LA-9, PGE10C60D150LB-9, PGE10C60D150LC-9, PGE10C72D100LB-9 ,PGE10C72D100LC-9, PGE10C72D125LB-9, PGE10C72D125LC-9, PGE10C72D150LB-9, PGE10C72D150LC-9, RPG10B24D050A-9, RPG10B24D075A-9, RPG10B30D050A-9, RPG10B30D075A-9, RPG10B36D050A-9, RPG10C36D050B-9, RPG10B36D075A-9, RPG10C36D075B-9, RPG10B36D100A-9, RPG10C36D100B-9, RPG10B42D075A-9, RPG10B42D100A-9, RPG10B48D100A-9, RPG10C48D100B-9, RPG10C48D100C-9, RPG10C48D100D-9, RPG10B48D125A-9, RPG10C48D125B-9, RPG10C48D125C-9, RPG10C48D125D-9, RPG10B48D150A-9, RPG10C48D150B-9, RPG10C48D150D-9, RPG10B60D100A-9, RPG10C60D100B-9, RPG10C60D100C-9, RPG10C60D100D-9, RPG10B60D125A-9, RPG10C60D125B-9, RPG10C60D125C-9, RPG10C60D125D-9, RPG10B60D150A-9, RPG10C60D150B-9, RPG10C60D150C-9, RPG10C60D150D-9, RPG10C72D100B-9, RPG10C72D100C-9, RPG10C72D100D-9, RPG10C72D125B-9, RPG10C72D125C-9, RPG10C72D125D-9, RPG10C72D150B-9, RPG10C72D150C-9, RPG10C72D150D-9, RPG10B24D050LA-9, RPG10B24D075LA-9,RPG10B30D050LA-9, RPG10B30D075LA-9, RPG10B36D050LA-9, RPG10C36D050LB-9, RPG10B36D075LA-9, RPG10C36D075LB-9, RPG10B36D100LA-9, RPG10C36D100LB-9, RPG10B42D075LA-9, RPG10B42D100LA-9, RPG10B48D100LA-9, RPG10C48D100LB-9, RPG10C48D100LC-9, RPG10B48D125LA-9, RPG10C48D125LB-9, RPG10C48D125LC-9, RPG10B48D150LA-9, RPG10C48D150LB-9, RPG10C48D150LC-9, RPG10B60D100LA-9, RPG10C60D100LB-9, RPG10C60D100LC-9, RPG10B60D125LA-9