BLACK PLASTIC BURNER VALVE KNOB ;[ 2-1/2" DIA ] [ OFF-ON] [MOUNT .24" ] ;[FLAT DOWN ] , SET SCREW LEFT,;FOR RED KNOB USE # 22-1568;WOLF RANGE BURNER VALVE H730, V-197, # 52-1062;WOLF RANGE F, FB, FK, FM, FS, FV, GMO, KF, KFS;WOLF BROILER CCB, FCB, SCB (F & FS MODELS.;HBSS, IRB, RB