TEMPERATURE CONTROLL BOARD, W/WIRE HARNESS ( USED ON;SG4 UNITS ONLY ) FOR KNOB USE AP# 22-1107;;FITS VULCAN HART MODELS~;;DEC5, ECO2D, ECO4D, ECO6D, GCO2D, HEC20, HEC5, HEC5X, HGC20,;SG4, SG44, SG4C, SG4D, SG6, SG66, SG6D, VC3ED, VC44GD,;VC4EC, VC4ED, VC4ES, VC4GD, VC4GS, VC6EC, VC6ED, VC6ES,;VC6GD, VC6GS, Vulcan Hart