Make sure power is disconnected before replacing ignition board.
Used on the following units: GCS904053BXA, GCS90703BXA, GCS90904CXA, GDS80904BNA,BXA, GMS80903BNA, GMS80904BNA, GMS80905CNA, GMS80905CXA, GMS81155CNA, GMS81405DNA, GMS90453BXA, GMS90703BXA, GMS90904CXA, GMS91155DXAS80905CNA, GMS80453ANA, GMS80453AXA, GMS80703ANA, GMS81155CXA & GMS8070.