PRODUCT INFO:;240V / 15 AMP INFINITE CONTROL KIT; FOR SCREW OR ;PALNUT MOUNT; 1 3/16" BREAK-OFF STEM; STEM ADAPTORS;;2" DIA; OFF-LO-2-6-HI; UNIVERSAL MOUNT; W/ 5 INSERTS+;5 % INPUT AT LOW SETTING;GEN USE BLACK KNOB # 22-1349;;INFINITE CONTROLS NOT RATED AT 22-1/2% ARE RATED AT 5%;AND PROVIDE LOWER TEMP RANGE AT LOW. ( LESS CURRENT DRAW )