Furnace Fan Control Board Fits ST9120G 4004 ST9120G4004 ST9120G 2016 ST9120G2016
Replaces Old Part #s: ST9120G 4004 ST9120G4004 ST9120G 2016 ST9120G2016. The It replaces all the board #s listed below. Partial List of Armstrong/Lennox Units that use this Board Partial List of Ducane Units that use this Board.